Earnings per share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Jun. 29, 2013
Numerator:
Net income	$ 571,913	$ 545,604	$ 450,073
Denominator:
Weighted average common shares for basic earnings per share	136,688,000	137,991,000	137,951,000
Net effect of dilutive stock option, restricted stock and performance share awards	2,103,000	2,128,000	2,052,000
Weighted average common shares for diluted earnings per share	138,791,000	140,119,000	140,003,000
Basic earnings per share	$ 4.18	$ 3.95	$ 3.26
Diluted earnings per share	$ 4.12	$ 3.89	$ 3.21
Antidilutive shares			565,800