Income Taxes Income Tax Provision (Details) (USD $) In Thousands	12 Months Ended
	Sep. 30, 2011	Oct. 01, 2010	Oct. 02, 2009
Current Federal Tax Expense (Benefit)	$ 25,421	$ 11,855	$ (251)
Current State and Local Tax Expense (Benefit)	422	946	(413)
Current Foreign Tax Expense (Benefit)	4,340	684	966
Current Income Tax Expense (Benefit)	30,183	13,485	302
Deferred Federal Income Tax Expense (Benefit)	35,053	44,072	0
Deferred State and Local Income Tax Expense (Benefit)	(1,048)	(2,846)	0
Deferred Foreign Income Tax Expense (Benefit)	961	235	(93)
Deferred Income Tax Expense (Benefit)	34,966	41,461	(93)
Change in valuation allowance	2,152	2,834	(25,436)
Provision (benefit) for income taxes	$ 67,301	$ 57,780	$ (25,227)