Future Minimum Lease Commitments (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 29, 2012
Schedule of Operating Leases [Line Items]
Q4 2012	$ 13,998
2013	49,566
2014	39,940
2015	29,456
2016	21,634
2017	19,500
Thereafter	29,256
Total	203,350
Operating Leases
Schedule of Operating Leases [Line Items]
Q4 2012	14,251
2013	50,386
2014	40,547
2015	29,770
2016	21,845
2017	19,703
Thereafter	29,740
Total	206,242
Sublease
Schedule of Operating Leases [Line Items]
Q4 2012	(253)
2013	(820)
2014	(607)
2015	(314)
2016	(211)
2017	(203)
Thereafter	(484)
Total	$ (2,892)