Earnings per share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Mar. 29, 2014	Mar. 30, 2013
Numerator:
Net income	$ 113,851	$ 86,196	$ 359,339	$ 323,982
Denominator:
Weighted average common shares for basic earnings per share	138,418	137,102	137,845	138,215
Net effect of dilutive stock option, incentive and performance share awards	1,761	1,913	2,170	2,101
Weighted average common shares for diluted earnings per share	140,179	139,015	140,015	140,316
Basic earnings per share	$ 0.82	$ 0.63	$ 2.61	$ 2.34
Diluted earnings per share	$ 0.81	$ 0.62	$ 2.57	$ 2.31