Employee Benefit Plans (Details) (USD $)	3 Months Ended
	Dec. 30, 2012	Dec. 30, 2012 November 2000Plan [Member]	Apr. 01, 2012 November 2000Plan [Member]	Dec. 30, 2012 Plan adopted from acquisition [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Participant balances percent vested	100.00%
Deferred compensation plan obligations		$ 15,200,000	$ 14,900,000	$ 1,600,000
Deferred compensation plan assets		16,400,000	14,000,000	600,000
Multiemployer Plan, Period Contributions	100,000
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year	400,000
Postemployment Benefits Liability, Noncurrent	200,000
Defined Benefit Plan, Benefit Obligation	$ 700,000