CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 25, 2012
Cash flows from operating activities:
Net income	$ 54,228	$ 39,598
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	37,790	35,766
Foreign currency transaction gains	(7,753)	(5,407)
Accretion of bond discount	114	114
Asset impairment	0	1,342
Loss (gain) on property disposals	(1,139)	859
Share-based compensation	548	149
Changes in operating assets and liabilities:
Restricted cash and cash equivalents	0	7,996
Trade accounts and other receivables	(5,183)	3,043
Inventories	(17,061)	(25,813)
Prepaid expenses and other current assets	(6,819)	13,144
Accounts payable, accrued expenses and other current liabilities	(30,629)	(35,003)
Income taxes	(3,381)	(3,421)
Long-term pension and other postretirement obligations	(421)	0
Other operating assets and liabilities	345	(2,985)
Cash provided by operating activities	20,639	29,382
Cash flows from investing activities:
Acquisitions of property, plant and equipment	(25,778)	(16,670)
Purchases of investment securities	0	(88)
Proceeds from property disposals	1,660	3,066
Cash used in investing activities	(24,118)	(13,692)
Cash flows from financing activities:
Proceeds from revolving line of credit	288,500	183,200
Payments on revolving line of credit, long-term borrowings and capital lease obligations	(311,005)	(341,802)
Payment of note payable to JBS USA Holdings, Inc.	0	(50,000)
Proceeds from sale of common stock	0	198,379
Cash used in financing activities	(22,505)	(10,223)
Effect of exchange rate changes on cash and cash equivalents	1,364	494
Increase (decrease) in cash and cash equivalents	(24,620)	5,961
Cash and cash equivalents, beginning of period	68,180	41,609
Cash and cash equivalents, end of period	$ 43,560	$ 47,570