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Fair Value of Financial Instruments and Non-Financial Assets and Liabilities (Details) (USD $)
In Thousands, unless otherwise specified |
Jul. 08, 2011
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Jan. 19, 2011
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Sep. 29, 2012
Fair Value, Measurements, Recurring [Member]
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Dec. 31, 2011
Fair Value, Measurements, Recurring [Member]
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Sep. 29, 2012
Fair Value, Measurements, Recurring [Member]
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
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Dec. 31, 2011
Fair Value, Measurements, Recurring [Member]
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
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Sep. 29, 2012
Fair Value, Measurements, Recurring [Member]
Significant Other Observable Inputs (Level 2) [Member]
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Dec. 31, 2011
Fair Value, Measurements, Recurring [Member]
Significant Other Observable Inputs (Level 2) [Member]
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Sep. 29, 2012
Fair Value, Measurements, Recurring [Member]
Unobservable Inputs (Level 3) [Member]
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Dec. 31, 2011
Fair Value, Measurements, Recurring [Member]
Unobservable Inputs (Level 3) [Member]
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| Fair value of assets and liabilities | ||||||||||||||||||||||||
| Firm commitment | $ (700) | $ 600 | $ 2,664 | [1],[2] | $ 3,807 | [1],[2],[3] | $ 0 | [1] | $ 0 | [1],[3] | $ 2,664 | [1] | $ 3,807 | [1],[3] | $ 0 | [1] | $ 0 | [1],[3] | ||||||
| Derivative liability: | ||||||||||||||||||||||||
| Foreign exchange contract | $ (2,664) | [1],[2] | $ (3,954) | [1],[2],[3] | $ 0 | [1] | $ 0 | [1],[3] | $ (2,664) | [1] | $ (3,954) | [1],[3] | $ 0 | [1] | $ 0 | [1],[3] | ||||||||
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