Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Net sales	$ 1,701,429	$ 1,797,249	$ 724,909
Costs and expenses:
Cost of sales and operating expenses	1,232,604	1,268,221	531,699
Selling, general and administrative expenses	151,713	136,135	68,042
Depreciation and amortization	85,371	78,909	31,908
Acquisition costs	0	0	10,798
Total costs and expenses	1,469,688	1,483,265	642,447
Operating income	231,741	313,984	82,462
Other expense:
Interest expense	(24,054)	(37,163)	(8,737)
Other income/(expense), net	1,760	(2,955)	(3,382)
Total other expense	(22,294)	(40,118)	(12,119)
Equity in net loss of unconsolidated subsidiary	(2,662)	(1,572)	0
Income from operations before income taxes	206,785	272,294	70,343
Income taxes	76,015	102,876	26,100
Net income	$ 130,770	$ 169,418	$ 44,243
Net income per share:
Basic (in dollars per share)	$ 1.11	$ 1.47	$ 0.53
Diluted (in dollars per share)	$ 1.11	$ 1.47	$ 0.53