Derivative Financial Instruments (Gain (Loss) Of Derivative Instruments In Statement Of Operations) (Detail) (Designated As Hedging Instrument, USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 28, 2015	Mar. 29, 2014	Mar. 28, 2015	Mar. 29, 2014	Mar. 28, 2015	Sep. 27, 2014	Sep. 28, 2013
Derivative Instruments [Line Items]
Derivative Instruments Gain Loss Effective Portion Recorded In AOCI	(1,463,000)	324,000	(6,023,000)	724,000
Derivatives used in Net Investment Hedge, Net of Tax [Roll Forward]
AOCI Balance		$ 1,828	$ 2,403	$ 1,313	$ (4,385)	$ (2,947)	$ 1,625
Effective Portion Recorded In AOCI	25	(121)	(765)	(209)
Settled Foreign Currency Forward Contracts
Derivative Instruments [Line Items]
Derivative Instruments Gain Loss Effective Portion Recorded In AOCI	(56,000)	11,000	(388,000)	124,000
Derivatives used in Net Investment Hedge, Net of Tax [Roll Forward]
AOCI Balance		0	1,153	85	0	31	110
Effective Portion Recorded In AOCI	25	(121)	(765)	(209)
Unsettled Foreign Currency Forward Contracts
Derivative Instruments [Line Items]
Change in Unrealized Gain (Loss) on Foreign Currency	(1,264,000)	313,000	(5,351,000)	600,000
Derivatives used in Net Investment Hedge, Net of Tax [Roll Forward]
AOCI Balance		1,828	1,250	1,228	(4,101)	(2,837)	1,515
Effective Portion Recorded In AOCI	0	0	0	0
Interest Rate Swap
Derivative Instruments [Line Items]
Change in Unrealized Gain (Loss) on Foreign Currency	(143,000)		(284,000)
Derivatives used in Net Investment Hedge, Net of Tax [Roll Forward]
AOCI Balance			0		(284)	(141)
Effective Portion Recorded In AOCI	$ 0		$ 0