CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011
Cash flows from operating activities:
Net income (loss)	$ 549,713	$ 174,042	$ (495,690)
Adjustments to reconcile net income (loss) to cash provided by (used in) operating activities:
Depreciation and amortization	150,523	147,414	209,061
Asset impairment	4,004	2,770	22,895
Foreign currency transaction losses (gains)	3,382	(5,261)	9,980
Accretion of bond discount	456	456	453
Loss (gain) on property disposals	2,395	5,306	(4,271)
Share-based compensation	3,345	684	567
Deferred income tax benefit	(4,999)	(1,098)	(7,097)
Changes in operating assets and liabilities:
Restricted cash and cash equivalents		12,680	53,273
Trade accounts and other receivables	7,235	(14,137)	(63,987)
Inventories	142,675	(65,870)	122,827
Prepaid expenses and other current assets	(6,070)	(2,600)	27,068
Accounts payable and accrued expenses	49,625	(16,520)	(7,274)
Income taxes	(21,546)	(33,714)	4,683
Deposits	1,877	1,783	2,174
Long-term pension and other postretirement obligations	(6,837)	(2,700)
Other	2,755	(3,611)	(3,653)
Cash provided by (used in) operating activities	878,533	199,624	(128,991)
Cash flows from investing activities:
Acquisitions of property, plant and equipment	(116,223)	(90,327)	(135,968)
Purchases of investment securities	(96,902)	(162)	(4,596)
Proceeds from sale or maturity of investment securities		688	15,852
Proceeds from business disposals			37,479
Proceeds from property disposals	31,337	29,400	29,044
Cash used in investing activities	(181,788)	(60,401)	(58,189)
Cash flows from financing activities:
Payments on notes payable to JBS USA		(50,000)
Proceeds from notes payable to JBS USA			50,000
Proceeds from long-term debt	505,600	851,400	965,689
Payments on long-term debt	(758,578)	(1,110,711)	(881,833)
Proceeds from sale of common stock		198,282
Tax benefit related to share-based compensation	7,770
Purchase of remaining interest in joint venture			(2,504)
Payment of capitalized loan costs	(5,006)		(4,395)
Other financing activities			(107)
Cash provided by (used in) financing activities	(250,214)	(111,029)	126,850
Effect of exchange rate changes on cash and cash equivalents	(6,505)	(1,623)	(4,138)
Increase (decrease) in cash and cash equivalents	440,026	26,571	(64,468)
Cash and cash equivalents, beginning of period	68,180	41,609	106,077
Cash and cash equivalents, end of period	508,206	68,180	41,609
Supplemental Disclosure Information:
Interest paid (net of amount capitalized)	80,320	96,657	104,430
Income taxes paid	$ 30,057	$ 10,931	$ 3,957