Income Taxes Unrecognized Tax Benefit Rollforward (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended			11 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended
	Dec. 31, 2011	Jan. 01, 2011	Dec. 29, 2012	Dec. 31, 2011 Successor	Dec. 29, 2012 Successor	Jan. 28, 2011 Predecessor	Jan. 01, 2011 Predecessor
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits at beginning of period			$ 25,000	$ 24,704	$ 12,892	$ 24,357	$ 29,366
Gross increases for tax positions of prior years				0	0	0	457
Gross decreases for tax positions of prior years	(14,000)			(11,654)	(127)	(239)	(24)
Increases in tax positions for the current year				2,621	2,085	141	1,797
Lapse of statute of limitations	(2,200)	(8,700)		(2,898)	(1,810)	0	(7,106)
Purchase accounting adjustment				0	0	445	0
Currency translation				119	(246)	0	(133)
Unrecognized tax benefits at end of period	$ 25,900		$ 25,000	$ 12,892	$ 12,794	$ 24,704	$ 24,357