Segment Reporting (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 23, 2012	Jun. 25, 2011	Jun. 23, 2012 segment	Jun. 25, 2011	Sep. 24, 2011
Segment Reporting
Number of business segments			3
Segment Reporting
Sales to unaffiliated customers	$ 869,194	$ 717,210	$ 2,912,462	$ 1,939,016
Net sales	869,194	717,210	2,912,462	1,939,016
Income before income taxes	121,764	88,748	435,414	203,398
Total assets	3,337,130	2,874,422	3,337,130	2,874,422	3,197,887
Stock compensation	4,420	3,003	13,629	7,520
Interest expense	6,157	29,830	18,662	52,560
Property additions	90,788	92,155	358,575	180,983
Depreciation and amortization	44,874	30,979	123,717	79,763
SCBU
Segment Reporting
Reassignment of Timothy's goodwill			(17,063)
Sales to unaffiliated customers	386,979	275,651	1,140,829	705,872
Intersegment sales	1,684	72,909	8,447	333,790
Net sales	388,663	348,560	1,149,276	1,039,662
Income before income taxes	90,519	66,347	267,775	193,160
Total assets	1,428,189	1,010,205	1,428,189	1,010,205
Stock compensation	1,069	938	3,330	2,350
Property additions	73,618	72,515	267,401	128,398
Depreciation and amortization	21,670	11,152	57,084	31,692
KBU
Segment Reporting
Sales to unaffiliated customers	332,792	285,340	1,297,106	882,701
Intersegment sales	2,197	3,320	7,394	157,476
Net sales	334,989	288,660	1,304,500	1,040,177
Income before income taxes	22,623	40,563	118,718	93,951
Total assets	813,245	404,788	813,245	404,788
Stock compensation	942	669	2,817	1,685
Property additions	6,890	8,580	22,542	18,893
Depreciation and amortization	3,295	2,551	9,705	7,215
CBU
Segment Reporting
Reassignment of Timothy's goodwill			17,063
Sales to unaffiliated customers	149,423	156,219	474,527	350,443
Intersegment sales	20,360	25,959	75,935	73,938
Net sales	169,783	182,178	550,462	424,381
Income before income taxes	23,597	24,743	98,460	41,899
Total assets	1,115,797	1,299,088	1,115,797	1,299,088
Stock compensation	379	177	1,504	290
Property additions	7,591	8,464	33,006	18,756
Depreciation and amortization	14,587	13,728	42,487	31,169
Corporate
Segment Reporting
Income before income taxes	(14,975)	(42,905)	(49,539)	(100,534)
Total assets	601,751	540,042	601,751	540,042
Stock compensation	2,030	1,219	5,978	3,195
Interest expense	6,157	29,830	18,662	52,560
Property additions	2,689	2,596	35,626	14,936
Depreciation and amortization	5,322	3,548	14,441	9,687
Eliminations
Segment Reporting
Intersegment sales	(24,241)	(102,188)	(91,776)	(565,204)
Net sales	(24,241)	(102,188)	(91,776)	(565,204)
Income before income taxes				(25,078)
Total assets	$ (621,852)	$ (379,701)	$ (621,852)	$ (379,701)