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Bank indebtedness and Long-Term Debt (Bank indebtedness Table) (Details) (USD $)
In Thousands, unless otherwise specified |
Sep. 28, 2013
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Dec. 29, 2012
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|---|---|---|
| Line of Credit Facility [Line Items] | ||
| Line of Credit Facility, Amount Outstanding | $ 139,371 | $ 131,061 |
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Opta Minerals Inc [Member]
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| Line of Credit Facility [Line Items] | ||
| Line of Credit Facility, Amount Outstanding | 15,506 | 10,750 |
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The Organic Corporation [Member]
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| Line of Credit Facility [Line Items] | ||
| Line of Credit Facility, Amount Outstanding | 54,734 | 44,611 |
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U S Line Of Credit [Member] | Syndicate Lending Group [Member]
|
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| Line of Credit Facility [Line Items] | ||
| Line of Credit Facility, Amount Outstanding | $ 69,131 | $ 75,700 |