Accumulated Other Comprehensive Loss - Additional Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012	Dec. 31, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Unfavorable position amounts included in accumulated other comprehensive loss related to cash flow hedges	$ 3,662		$ 3,662		$ 10,772
Accumulated other comprehensive income loss cumulative changes in net gain loss from cash flow hedge effect after tax	2,375		2,375		6,727
Cumulative tax benefit on Cash Flow Hedges	1,287		1,287		4,045
Increase (decrease) in tax benefit on Cash Flow Hedges	(767)		(2,758)
Cumulative tax benefit on Defined Benefit Pensions	268,094		268,094		278,235
Increase (decrease) in tax benefit on Defined Benefit Pensions	(4,506)		(10,141)
Foreign currency translation adjustments	32	457	(595)	416
Non-Controlling Interests [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation adjustments	$ 31		$ (595)