Investments TIMWEN (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	Sep. 29, 2013 TimWen [Member]		Sep. 30, 2012 TimWen [Member]		Sep. 30, 2008 TimWen [Member] Y
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					$ 89,370		$ 91,742
Equity in earnings for the period					10,357		10,254
Amortization of purchase price adjustments (a)					(2,288)	[1]	(2,340)	[1]
Equity in earnings for the period, net of amortization of purchase price adjustment			6,980	7,836	8,069		7,914
Distributions received			(10,148)	(10,760)	(10,148)		(10,760)
Foreign currency translation adjustment included in “Other comprehensive (loss) income, net”	4,851	7,920	(7,029)	9,309	(3,052)		3,570
Balance at end of period (b)					84,239	[2]	92,466	[2]
Purchase price adjustment, amortization period									21
Equity Method Investment, Summarized Financial Information, Income Statement
Revenues					29,113		29,655
Income before income taxes and net income					$ 20,714		$ 20,508

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

[2] Included in “Investments.”