Restructuring, integration and other expenses (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 02, 2016	Mar. 28, 2015	Apr. 02, 2016	Mar. 28, 2015
Charges related to the acquisition and integration activities [Abstract]
Restructuring, integration and other expenses before tax	$ 16,172	$ 15,494	$ 63,352	$ 47,071
Fiscal 2016 [Member]
Charges related to the acquisition and integration activities [Abstract]
Restructuring expenses	7,874		39,350
Integration costs	4,331		8,824
Other costs	4,614		16,749
Changes in estimates for prior restructuring liabilities	(647)		(1,571)
Restructuring, integration and other expenses before tax	16,172		63,352
Restructuring, integration and other expenses after tax	$ 10,804		$ 42,029
Restructuring, integration and other expenses per share on a diluted basis (in dollars per share)	$ 0.08		$ 0.31