XML 69 R58.htm IDEA: XBRL DOCUMENT v3.8.0.1
Debt - Interest Expense (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2018
Apr. 01, 2017
Mar. 31, 2018
Apr. 01, 2017
Debt Disclosure [Abstract]        
Interest expense-contractual interest $ 1.8 $ 1.3 $ 5.7 $ 3.4
Amortization of debt issuance cost 0.6 0.6 1.9 1.8
Accretion of debt discount $ 8.2 $ 7.9 $ 25.6 $ 21.9