Changes in AOCI, Net of Tax (Detail) - USD ($) $ in Thousands	3 Months Ended
	Sep. 28, 2018	Sep. 29, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ 740,939
Other comprehensive income before reclassification adjustment	391	$ 908
Amounts reclassified out of AOCI to foreign exchange loss in the unaudited condensed consolidated statements of operations and comprehensive income	(304)	(354)
Tax effects	0	0
Total other comprehensive (loss) income, net of tax	87	554
Ending Balance	766,157
Unrealized Net (Losses) Gains on Marketable Securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(1,091)	(72)
Other comprehensive income before reclassification adjustment	591	382
Amounts reclassified out of AOCI to foreign exchange loss in the unaudited condensed consolidated statements of operations and comprehensive income	(303)	(353)
Tax effects	0	0
Total other comprehensive (loss) income, net of tax	288	29
Ending Balance	(803)	(43)
Unrealized Net (Losses) Gains on Derivative Instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	33	34
Amounts reclassified out of AOCI to foreign exchange loss in the unaudited condensed consolidated statements of operations and comprehensive income	(1)	(1)
Tax effects	0	0
Total other comprehensive (loss) income, net of tax	(1)	(1)
Ending Balance	32	33
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(199)	(310)
Other comprehensive income before reclassification adjustment	(200)	526
Tax effects	0	0
Total other comprehensive (loss) income, net of tax	(200)	526
Ending Balance	(399)	216
AOCI Attributable to Parent
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(1,257)	(348)
Tax effects	0	0
Ending Balance	$ (1,170)	$ 206