Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 28, 2014	Sep. 29, 2013
Reclassifications out of accumulated other comprehensive income (loss)
Balances at the end of the period	$ (42,538)	$ 1,858
Foreign Currency Translation Adjustments
Reclassifications out of accumulated other comprehensive income (loss)
Balances at the beginning of the period	2,340	31,110
Other comprehensive income (loss) before reclassifications	(45,425)	(28,770)
Net current-period other comprehensive (loss) income	(45,425)	(28,770)
Balances at the end of the period	(43,085)	2,340
Loss on Derivative Instruments
Reclassifications out of accumulated other comprehensive income (loss)
Balances at the beginning of the period	(482)	(93)
Other comprehensive income (loss) before reclassifications	3,317	(63)
Net current-period other comprehensive (loss) income	1,029	(389)
Balances at the end of the period	547	(482)
Loss on Derivative Instruments | Foreign exchange contracts
Reclassifications out of accumulated other comprehensive income (loss)
Amounts reclassified from accumulated other comprehensive income		(164)
Loss on Derivative Instruments | Interest rate contracts
Reclassifications out of accumulated other comprehensive income (loss)
Amounts reclassified from accumulated other comprehensive income	(2,288)	(162)
Accumulated Other Comprehensive Income
Reclassifications out of accumulated other comprehensive income (loss)
Balances at the beginning of the period	1,858	31,017
Other comprehensive income (loss) before reclassifications	(42,108)	(28,833)
Net current-period other comprehensive (loss) income	(44,396)	(29,159)
Balances at the end of the period	(42,538)	1,858
Accumulated Other Comprehensive Income | Foreign exchange contracts
Reclassifications out of accumulated other comprehensive income (loss)
Amounts reclassified from accumulated other comprehensive income		(164)
Accumulated Other Comprehensive Income | Interest rate contracts
Reclassifications out of accumulated other comprehensive income (loss)
Amounts reclassified from accumulated other comprehensive income	$ (2,288)	$ (162)