Reclassifications Out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 27, 2020	Dec. 29, 2019
Reclassifications out of accumulated other comprehensive loss
Beginning balance	$ 1,037,373	$ 989,464
Amounts reclassified from accumulated other comprehensive income
Other comprehensive income, net of tax	33,869	15,571
Ending balance	1,105,254	1,026,765
Accumulated Other Comprehensive Income (Loss)
Reclassifications out of accumulated other comprehensive loss
Beginning balance	(161,786)	(160,584)
Other comprehensive income before reclassifications	35,369	16,052
Amounts reclassified from accumulated other comprehensive income
Interest rate contracts, net of tax	(1,502)	(483)
Other comprehensive income, net of tax	33,867	15,569
Ending balance	(127,919)	(145,015)
Foreign Currency Translation Adjustments
Reclassifications out of accumulated other comprehensive loss
Beginning balance	(146,275)	(149,711)
Other comprehensive income before reclassifications	32,391	13,899
Amounts reclassified from accumulated other comprehensive income
Other comprehensive income, net of tax	32,391	13,899
Ending balance	(113,884)	(135,812)
Gain (Loss) on Derivative Instruments
Reclassifications out of accumulated other comprehensive loss
Beginning balance		(10,873)
Gain (Loss) on Derivative Instruments
Reclassifications out of accumulated other comprehensive loss
Beginning balance	(15,511)
Other comprehensive income before reclassifications	2,978	2,153
Amounts reclassified from accumulated other comprehensive income
Interest rate contracts, net of tax	(1,502)	(483)
Other comprehensive income, net of tax	1,476	1,670
Ending balance	$ (14,035)	$ (9,203)