Investments TIMWEN (Details) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 28, 2015 USD ($) yr	Jun. 29, 2014 USD ($)	Jun. 28, 2015 USD ($) yr	Jun. 29, 2014 USD ($)
Investment in Joint Venture [Roll Forward]
Equity in earnings for the period, net of amortization of purchase price adjustment				$ 4,545	$ 4,872
Distributions received				(5,825)	(6,443)
Foreign currency translation adjustment included in “Other comprehensive loss, net”		$ 4,901	$ 8,195	$ (12,494)	975
TimWen [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage		50.00%		50.00%
Investment in Joint Venture [Roll Forward]
Balance at beginning of period				$ 69,790	79,810
Equity in earnings for the period				5,712	6,197
Amortization of purchase price adjustments	[1]			(1,167)	(1,325)
Equity in earnings for the period, net of amortization of purchase price adjustment				4,545	4,872
Distributions received				(5,825)	(6,443)
Foreign currency translation adjustment included in “Other comprehensive loss, net”				(3,971)	314
Balance at end of period		$ 64,539	$ 78,553	$ 64,539	$ 78,553
Purchase price adjustment, amortization period | yr		21		21

[1] Based upon an average original aggregate life of 21 years.