Leases (Details) (USD $)	12 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 30, 2012
Leases
Expense associated with operating leases	$ 70,000,000	$ 80,800,000	$ 76,600,000
Operating lease commitments
2015	65,412,000
2016	50,275,000
2017	33,908,000
2018	23,238,000
2019	15,905,000
Beyond	22,377,000
Total	211,115,000
Capital lease commitments
2015	781,000
2016	552,000
2017	70,000
2018	55,000
2019	13,000
Total	1,471,000
Less: Amounts representing interest	81,000
Net present value	1,390,000
Lease contract termination costs	2,200,000	4,500,000	1,300,000
Reconciliation of the beginning and ending balances of liabilities related to contract termination costs
Balance at the beginning of the period	6,273,000	2,940,000
Costs incurred and charged to expense	2,458,000	4,799,000
Adjustments	(2,362,000)	(1,466,000)
Balance at the end of the period	6,369,000	6,273,000	2,940,000
RCM
Reconciliation of the beginning and ending balances of liabilities related to contract termination costs
Costs incurred and charged to expense	1,391,000
Balance at the end of the period	1,391,000
ECS
Reconciliation of the beginning and ending balances of liabilities related to contract termination costs
Balance at the beginning of the period	3,710,000
Costs incurred and charged to expense	443,000	3,744,000
Adjustments	(1,373,000)	(34,000)
Balance at the end of the period	2,780,000	3,710,000
TSS
Reconciliation of the beginning and ending balances of liabilities related to contract termination costs
Balance at the beginning of the period	2,563,000	2,940,000
Costs incurred and charged to expense	624,000	1,055,000
Adjustments	(989,000)	(1,432,000)
Balance at the end of the period	$ 2,198,000	$ 2,563,000