| Schedule of Common Stock Outstanding Roll Forward [Table Text Block] |
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December
30, 2012
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January
1, 2012
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January
2, 2011
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Number
of
shares
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$
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Number
of
shares
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$
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Number
of
shares
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$
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Common
Stock
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Exchangeable
shares:
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Balance
at beginning of the period
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554,748
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$
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5,249
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583,848
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$
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5,524
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711,048
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$
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6,728
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Shares
issued pursuant to:
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Conversion
to common stock
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(554,748
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)
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(5,249
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)
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(29,100
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)
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(275
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)
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(127,200
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)
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(1,204
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)
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Balance
at end of the period
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—
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$
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—
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554,748
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$
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5,249
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583,848
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$
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5,524
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Common
shares
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Balance
at beginning of the period
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15,651,026
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$
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382
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15,329,732
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$
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379
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13,935,284
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$
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365
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Shares
issued pursuant to:
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Exercise
of stock options
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138,419
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1
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292,194
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3
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1,267,248
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13
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Conversion
of exchangeable shares
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554,748
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6
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29,100
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—
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127,200
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1
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Balance
at end of the period
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16,344,193
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$
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389
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15,651,026
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$
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382
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15,329,732
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$
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379
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Special
voting stock
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Balance
at beginning of the period
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1
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$
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—
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1
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$
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—
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1
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$
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—
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Balance
at end of the period
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1
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$
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—
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1
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$
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—
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1
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$
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—
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Total
Common stock
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$
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389
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$
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5,631
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$
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5,903
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