Components of Senior Notes (Detail) - USD ($)	9 Months Ended
	Mar. 27, 2016	Jun. 28, 2015	Mar. 12, 2015
2.75% Notes due March 15, 2020
Debt Instrument [Line Items]
Carrying value, long-term	$ 497,498,000	$ 497,053,000
Unamortized discount	2,502,000	2,947,000
Fair value adjustment - interest rate contract	0	0
Principal amount	$ 500,000,000	500,000,000	$ 500,000,000
Remaining amortization period (years)	3 years 11 months 19 days
Fair Value of Notes (Level 2)	$ 504,180,000
3.80% Notes due March 15, 2025
Debt Instrument [Line Items]
Carrying value, long-term	495,491,000	496,907,000
Unamortized discount	2,915,000	3,093,000
Fair value adjustment - interest rate contract	1,594,000	0
Principal amount	$ 500,000,000	$ 500,000,000	$ 500,000,000
Remaining amortization period (years)	8 years 11 months 19 days
Fair Value of Notes (Level 2)	$ 485,625,000