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Fair Value Measurement (Details 3) (USD $)
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3 Months Ended | 6 Months Ended | |||
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Jun. 29, 2012
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Jul. 01, 2011
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Jun. 29, 2012
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Jul. 01, 2011
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Dec. 30, 2011
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||
| Foreign Currency Contract, Asset, Fair Value Disclosure | $ 366,000 | $ 366,000 | |||
| Foreign Currency Contract Liability Fair Value Disclosure | 96,000 | 96,000 | |||
| Accrued Contingent Consideration | 1,550,000 | 1,550,000 | 0 | ||
| Assets, Fair Value Disclosure [Abstract] | |||||
| Valuation Technique For Long Lived Assets | fair value, which is determined by using independent appraisals or discounted cash flow models. The discounted cash flow model requires inputs to a present value cash flow calculation such as a risk-adjusted discount rate, terminal values, operating budgets, long-term strategic plans and remaining useful lives of the asset or asset group. | ||||
| Long Lived Assets Impairment Loss | 0 | 0 | 0 | 0 | |
| Fair Value, Goodwill, Valuation Techniques | Fair values for reporting units are determined based on discounted cash flow models and market multiples. The discounted cash flow model requires inputs to a present value cash flow calculation such as a risk-adjusted discount rate, terminal values, operating budgets, and long-term strategic plans. The fair value from the discounted cash flow model is then combined, based on certain weightings, with market multiples in order to determine the fair value of the reporting unit. These market multiples include revenue multiples and multiples of earnings before interest, taxes, depreciation and amortization. | ||||
| Fair Value, Indefinite-lived Intangible Assets (Excluding Goodwill), Valuation Techniques | The fair value of indefinite-lived intangible assets is determined by using a discounted cash flow model. The discounted cash flow model requires inputs to a present value cash flow calculation such as a risk-adjusted discount rate, royalty rates, operating budgets, and long-term strategic plans. | ||||
| Cost-method Investments, Aggregate Carrying Amount | 7,300,000 | 7,300,000 | 5,700,000 | ||
| Cost-method Investments, Other than Temporary Impairment | 0 | 300,000 | 0 | 300,000 | |
| Fair Value, Cost Method Investments, Valuation Techniques | The fair value of these investments was determined by reference to recent sales data of similar shares to independent parties in an inactive market. | ||||
| Cost-method Investments, Realized Gains | 0 | 0 | 0 | 4,500,000 | |
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Fair Value, Inputs, Level 1 [Member]
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||
| Foreign Currency Contract, Asset, Fair Value Disclosure | 0 | 0 | |||
| Foreign Currency Contract Liability Fair Value Disclosure | 0 | 0 | |||
| Accrued Contingent Consideration | 0 | 0 | |||
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Fair Value, Inputs, Level 2 [Member]
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||
| Foreign Currency Contract, Asset, Fair Value Disclosure | 366,000 | 366,000 | |||
| Foreign Currency Contract Liability Fair Value Disclosure | 96,000 | 96,000 | |||
| Accrued Contingent Consideration | 0 | 0 | |||
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Fair Value, Inputs, Level 3 [Member]
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||
| Foreign Currency Contract, Asset, Fair Value Disclosure | 0 | 0 | |||
| Foreign Currency Contract Liability Fair Value Disclosure | 0 | 0 | |||
| Accrued Contingent Consideration | $ 1,550,000 | $ 1,550,000 | |||