Acquisitions (Schedule Of National Beef's Fair Values Of Assets Acquired, Liabilities Assumed And Noncontrolling Interests At Acquisition Date) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 30, 2011
Acquisitions [Abstract]
Cash and cash equivalents	$ 18,481
Trade, notes and other receivables	195,643
Inventory	280,499
Prepaids and other current assets	22,969
Total current assets	517,592
Intangible assets and goodwill	826,010
Other assets	4,613
Property and equipment	444,030
Total assets	1,792,245
Trade payables and expense accruals	239,841
Other current liabilities	13,746
Debt due within one year	29,262
Total current liabilities	282,849
Other non-current liabilities	1,404
Long-term debt	328,267
Total liabilities	612,520
Redeemable noncontrolling interests in subsidiary	304,356
Net assets acquired	$ 875,369