Accrued Expenses (Accrued Expenses) (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Summary of accrued expenses
Accrued salaries, wages and benefits	$ 26.1	$ 25.4
Advance billings	16.8	28.4
Current portion of long-term debt	17.8	9.4
Warranty accrual	6.1	6.9
Interest payable	5.7	5.2
Current portion of other post-retirement liabilities	1.4	1.6
Other	21.6	26.7
Total	$ 95.5	$ 103.6