Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012
Net income	$ 197,165	$ 79,351	$ 180,234
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(4,558)	(3,072)	(2,543)
Derivative financial instruments:
Changes in unrealized loss	64	1,008	(2,521)
Amount reclassified into net income	3,686	20,177	8,995
Pension benefit plans:
Changes in unrecognized net actuarial loss and unrecognized transition cost	(1,506)	1,257	(12,190)
Amortization of actuarial loss and transition cost	929	1,452	1,000
Total other comprehensive income (loss)	(1,385)	20,822	(7,259)
Comprehensive income	$ 195,780	$ 100,173	$ 172,975