Quarterly report pursuant to Section 13 or 15(d)

Accounts Payable and Accrued Expenses (Details)

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Accounts Payable and Accrued Expenses (Details) - USD ($)
$ in Millions
Jun. 30, 2017
Dec. 31, 2016
Accounts Payable and Accrued Liabilities, Current [Abstract]    
Payables, trade and other $ 134.7 $ 123.4
Employment costs 19.4 23.3
Other accrued expenses 14.5 16.3
Total $ 168.6 $ 163.0