Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Schedule of Long-Term Debt (Detail)

v3.3.0.814
Long-Term Debt - Schedule of Long-Term Debt (Detail) - USD ($)
$ in Millions
Sep. 30, 2015
Dec. 31, 2014
Debt Disclosure [Abstract]    
Borrowings under the senior secured credit facility $ 664.7 $ 850.0
Convertible senior notes, carrying value of liability component 988.7 961.7
Total 1,653.4 1,811.7
Less: current portion 254.7 100.0
Long-term portion $ 1,398.7 $ 1,711.7