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Components of Convertible Notes (Detail) $ / shares in Units, $ in Thousands	3 Months Ended
	Sep. 27, 2015 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	$ 439,583	$ 435,493
Unamortized discount	10,417	14,507
Principal amount	$ 450,000	450,000		$ 450,000
Remaining amortization period (years)	7 months 6 days
Effective interest rate on liability component	4.29%
Fair Value of Notes (Level 2)	$ 498,375
Conversion rate (shares of common stock per $1,000 principal amount of notes)	16.1481
Conversion price (per share of common stock) | $ / shares	$ 61.93
If-converted value in excess of par value	$ 8,381
Estimated share dilution using average quarterly stock price $73.74/share | $ / shares	$ 1,164
0.50% Notes due 2016 | Permanent Equity
Debt Instrument [Line Items]
Carrying amount of equity component, net of tax	$ 76,230	61,723
0.50% Notes due 2016 | Temporary Equity
Debt Instrument [Line Items]
Carrying amount of equity component, net of tax		14,507
1.25% Notes due 2018
Debt Instrument [Line Items]
Carrying value, long-term	406,189
Carrying value, current portion		402,320
Unamortized discount	43,811	47,680
Principal amount	$ 450,000	450,000		$ 450,000
Remaining amortization period (years)	2 years 7 months 6 days
Effective interest rate on liability component	5.27%
Fair Value of Notes (Level 2)	$ 545,625
Conversion rate (shares of common stock per $1,000 principal amount of notes)	16.1481
Conversion price (per share of common stock) | $ / shares	$ 61.93
If-converted value in excess of par value	$ 8,381
Estimated share dilution using average quarterly stock price $73.74/share | $ / shares	$ 1,164
1.25% Notes due 2018 | Permanent Equity
Debt Instrument [Line Items]
Carrying amount of equity component, net of tax	$ 104,895	57,215
1.25% Notes due 2018 | Temporary Equity
Debt Instrument [Line Items]
Carrying amount of equity component, net of tax		47,680
2.625% Notes due 2041
Debt Instrument [Line Items]
Carrying value, current portion	521,270	520,313
Unamortized discount	178,665	179,622
Principal amount	$ 699,935	699,935	$ 700,000
Remaining amortization period (years)	25 years 7 months 6 days
Effective interest rate on liability component	4.28%
Fair Value of Notes (Level 2)	$ 1,362,241
Conversion rate (shares of common stock per $1,000 principal amount of notes)	28.9797
Conversion price (per share of common stock) | $ / shares	$ 34.51
If-converted value in excess of par value	$ 579,574
Estimated share dilution using average quarterly stock price $73.74/share | $ / shares	$ 10,792
2.625% Notes due 2041 | Permanent Equity
Debt Instrument [Line Items]
Carrying amount of equity component, net of tax	$ 149,444	148,487
2.625% Notes due 2041 | Temporary Equity
Debt Instrument [Line Items]
Carrying amount of equity component, net of tax	$ 178,665	$ 179,622

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