Investments TIMWEN (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2014		Mar. 31, 2013		Sep. 30, 2008 Y
Investment in Joint Venture [Roll Forward]
Equity in earnings for the period, net of amortization of purchase price adjustment	$ 2,156		$ 1,191
Distributions received	(3,164)		(2,701)
Foreign currency translation adjustment included in “Other comprehensive loss, net”	(7,220)		(5,069)
TimWen [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	50.00%
Investment in Joint Venture [Roll Forward]
Balance at beginning of period	79,810		89,370
Equity in earnings for the period	2,815		3,124
Amortization of purchase price adjustments (a)	(659)	[1]	(777)	[1]
Equity in earnings for the period, net of amortization of purchase price adjustment	2,156		2,347
Distributions received	(3,164)		(2,701)
Foreign currency translation adjustment included in “Other comprehensive loss, net”	(2,548)		(1,877)
Balance at end of period (b)	76,254	[2]	87,139	[2]
Purchase price adjustment, amortization period					21
Equity Method Investment, Summarized Financial Information [Abstract]
Revenues	8,292		9,024
Income before income taxes and net income	$ 5,630		$ 6,247

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

[2] Included in “Investments.”