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Income taxes (Deferred income taxes) (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 28, 2013
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Dec. 29, 2012
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Dec. 31, 2011
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Jan. 01, 2011
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| Income Tax Disclosure [Abstract] | ||||
| Deferred Tax Assets Property Plant And Equipment Intangibles | $ (32,654) | $ (33,476) | $ (29,088) | |
| Deferred Tax Assets Capital And Non Capital Loss Carryforwards | 14,822 | 16,076 | 16,240 | |
| Deferred Tax Assets, Tax Credit Carryforwards, Research | 4,974 | 5,086 | 4,908 | |
| Deferred Tax Assets Share Issuance Costs | 354 | 368 | 191 | |
| Deferred Tax Assets, Inventory | 2,106 | 1,944 | 2,423 | |
| Deferred Tax Assets, Other | 3,863 | 1,241 | 2,124 | |
| Deferred Tax Assets, Gross | (6,535) | (8,761) | (3,202) | |
| Valuation Allowance, Amount | 6,535 | 3,145 | 4,547 | 5,880 |
| Deferred Tax Assets, Net, Total | $ (13,070) | $ (11,906) | $ (7,749) |
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to capital and operating loss carryforwards. No definition available.
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment, and intangible assets. No definition available.
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible share issuance costs. No definition available.
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The amount of the valuation allowance recorded as of the balance sheet date pertaining to the specified deferred tax asset for which an assessment was made that it is more likely than not that all or a portion of such deferred tax asset will not be realized through related deductions on future tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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