Earnings per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Dec. 31, 2016	Jan. 02, 2016
Numerator:
Income from continuing operations, after tax	$ 32,465	$ 102,141	$ 100,153	$ 211,065
Income from discontinued operations, after tax	70,753	53,871	71,908	75,201
Net income	$ 103,218	$ 156,012	$ 172,061	$ 286,266
Denominator:
Weighted average common shares for basic earnings per share	127,901	131,909	127,716	132,846
Net effect of dilutive stock option, restricted stock units and performance share units	2,446	3,009	2,339	2,776
Weighted average common shares for diluted earnings per share	130,347	134,918	130,055	135,622
Basic earnings per share-continuing operations	$ 0.25	$ 0.77	$ 0.78	$ 1.59
Basic earnings per share-discontinued operations	0.55	0.41	0.56	0.56
Basic earnings per share	0.80	1.18	1.34	2.15
Diluted earnings per share-continuing operations	0.25	0.76	0.77	1.56
Diluted earnings per share-discontinued operations	0.54	0.40	0.55	0.55
Diluted earnings per share	$ 0.79	$ 1.16	$ 1.32	$ 2.11
Stock options excluded from earnings per share calculation due to antidilutive effect	7		7