CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 29, 2013	Sep. 23, 2012
Cash flows from operating activities:
Net income	$ 406,043	$ 151,692
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	113,853	108,411
Foreign currency transaction losses (gains)	3,734	(5,620)
Accretion of bond discount	342	342
Asset impairment	3,457	1,342
Loss (gain) on property disposals	(509)	5,134
Share-based compensation	2,415	465
Changes in operating assets and liabilities:
Restricted cash and cash equivalents	0	8,153
Trade accounts and other receivables	(25,458)	(3,172)
Inventories	39,421	(94,972)
Prepaid expenses and other current assets	(17,304)	(1,120)
Accounts payable, accrued expenses and other current liabilities	69,895	9,636
Income taxes	(1,818)	(14,428)
Deposits	1,898	734
Long-term pension and other postretirement obligations	(3,174)	(7,120)
Other operating assets and liabilities	3,921	(3,516)
Cash provided by operating activities	596,716	155,961
Cash flows from investing activities:
Acquisitions of property, plant and equipment	(76,293)	(62,110)
Purchases of investment securities	0	(162)
Proceeds from sale or maturity of investment securities	0	688
Proceeds from property disposals	3,330	28,687
Cash used in investing activities	(72,963)	(32,897)
Cash flows from financing activities:
Proceeds from revolving line of credit	505,600	595,800
Payments on revolving line of credit, long-term borrowings and capital lease obligations	(758,283)	(853,008)
Payment of note payable to JBS USA	0	(50,000)
Proceeds from sale of common stock	0	198,282
Payment of capitalized loan costs	(5,006)
Cash used in financing activities	(257,689)	(108,926)
Effect of exchange rate changes on cash and cash equivalents	(3,928)	(717)
Increase in cash and cash equivalents	262,136	13,421
Cash and cash equivalents, beginning of period	68,180	41,609
Cash and cash equivalents, end of period	$ 330,316	$ 55,030