Earnings Per Share (Details) (USD $)	3 Months Ended		6 Months Ended
	Dec. 27, 2014	Dec. 28, 2013	Dec. 27, 2014	Dec. 28, 2013
Numerator:
Net income (loss)	$ 70,200,000	$ (86,000,000)	$ 166,500,000	$ 25,300,000
Denominator:
Basic	136,300,000	98,700,000	135,100,000	96,400,000
Dilutive effect of share-based awards	500,000	0	500,000	500,000
Weighted average shares outstanding for diluted EPS	136,800,000	98,700,000	135,600,000	96,900,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	200,000	200,000	100,000	100,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	40,000	70,000	226,000	334,000
Shares, Issued	6,809,210		6,809,210
Shares Issued, Price Per Share	$ 152.00		$ 152.00
Stock Issued During Period, Value, New Issues			1,000,000,000
Payments of Stock Issuance Costs	$ 35,700,000		$ 35,700,000	$ 0