Components of Convertible Notes (Detail)	9 Months Ended
	Mar. 27, 2016 USD ($) $ / shares	Jun. 28, 2015 USD ($)	Jun. 30, 2012 USD ($)	May. 31, 2011 USD ($)
0.50% Notes due 2016
Debt Instrument [Line Items]
Carrying value, current portion	$ 447,882,000	$ 435,493,000
Unamortized discount	2,105,000	14,507,000
Principal amount	$ 449,987,000	450,000,000		$ 450,000,000
Remaining amortization period (years)	1 month 19 days
Effective interest rate on liability component (percentage)	4.29%
Fair Value of Notes (Level 2)	$ 569,796,000
Conversion rate (shares of common stock per $1,000 principal amount of notes)	16.2764
Conversion price (per share of common stock) | $ / shares	$ 61.44
If-converted value in excess of par value	$ 127,743,000
Estimated share dilution using average quarterly stock price $72.41 per share | $ / shares	$ 1,110
0.50% Notes due 2016 | Permanent Equity
Debt Instrument [Line Items]
Carrying amount of equity component, net of tax	$ 74,123,000	61,723,000
0.50% Notes due 2016 | Temporary Equity
Debt Instrument [Line Items]
Carrying amount of equity component, net of tax	2,105,000	14,507,000
1.25% Notes due 2018
Debt Instrument [Line Items]
Carrying value, long-term	414,038,000
Carrying value, current portion	0	402,320,000
Unamortized discount	35,916,000	47,680,000
Principal amount	$ 449,954,000	450,000,000		$ 450,000,000
Remaining amortization period (years)	2 years 1 month 19 days
Effective interest rate on liability component (percentage)	5.27%
Fair Value of Notes (Level 2)	$ 630,476,000
Conversion rate (shares of common stock per $1,000 principal amount of notes)	16.2764
Conversion price (per share of common stock) | $ / shares	$ 61.44
If-converted value in excess of par value	$ 127,734,000
Estimated share dilution using average quarterly stock price $72.41 per share | $ / shares	$ 1,110
1.25% Notes due 2018 | Permanent Equity
Debt Instrument [Line Items]
Carrying amount of equity component, net of tax	$ 104,886,000	57,215,000
1.25% Notes due 2018 | Temporary Equity
Debt Instrument [Line Items]
Carrying amount of equity component, net of tax	0	47,679,000
2.625% Notes due 2041
Debt Instrument [Line Items]
Carrying value, current portion	523,217,000	520,313,000
Unamortized discount	176,684,000	179,622,000
Principal amount	$ 699,901,000	699,935,000	$ 700,000,000
Remaining amortization period (years)	25 years 1 month 19 days
Effective interest rate on liability component (percentage)	4.28%
Fair Value of Notes (Level 2)	$ 1,623,000,000
Conversion rate (shares of common stock per $1,000 principal amount of notes)	29.2100
Conversion price (per share of common stock) | $ / shares	$ 34.23
If-converted value in excess of par value	$ 912,730,000
Estimated share dilution using average quarterly stock price $72.41 per share | $ / shares	$ 10,778
2.625% Notes due 2041 | Permanent Equity
Debt Instrument [Line Items]
Carrying amount of equity component, net of tax	$ 151,380,000	148,487,000
2.625% Notes due 2041 | Temporary Equity
Debt Instrument [Line Items]
Carrying amount of equity component, net of tax	$ 176,684,000	$ 179,622,000