Share repurchase program (Details Textuals) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Jun. 28, 2014	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012
Equity [Abstract]
Authorized repurchase of common stock under Share Repurchase Program		$ 750,000,000
Shares repurchased during period		0.2
Average market price per shares repurchased during period		$ 41.46
Cost of repurchase		8,600,000
Aggregate number of shares repurchased since inception		18.1
Aggregate cost of shares repurchased since inception		534,100,000
Remaining authorized repurchase amount		215,900,000
Cash dividends paid per common share	$ 0.15	$ 0.60	$ 0.00	$ 0.00
Dividends paid on common stock	$ 20,700,000	$ 82,755,000	$ 0	$ 0