Earnings per share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Sep. 28, 2013	Sep. 29, 2012
Numerator:
Net income	$ 120,624	$ 100,305
Denominator:
Weighted average common shares for basic earnings per share	137,414	140,767
Net effect of dilutive stock options and performance share awards	2,310	2,592
Weighted average common shares for diluted earnings per share	139,724	143,359
Basic earnings per share	$ 0.88	$ 0.71
Diluted earnings per share	$ 0.86	$ 0.70