Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Jan. 31, 2015	Jan. 31, 2016	Dec. 31, 2014	Dec. 31, 2013
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance At Beginning Of Period	$ 8.1	$ 8.0
Expenses	0.1
Write- Offs/ Disposals	0.2
Balance At End Of Period	8.0		$ 8.1
Allowance for doubtful accounts
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance At Beginning Of Period	8.1	8.0	6.0	$ 7.5
Expenses		4.1	12.4	1.4
Other			0.2	0.3
Write- Offs/ Disposals		0.8	10.5	3.2
Balance At End Of Period	8.0	11.3	8.1	6.0
Reserve for obsolete inventories
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance At Beginning Of Period	33.0	33.5	30.3	30.6
Expenses	0.7	7.7	4.6	2.9
Write- Offs/ Disposals	0.2	0.8	1.9	3.2
Balance At End Of Period	33.5	40.4	33.0	30.3
Deferred tax asset valuation allowance
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance At Beginning Of Period	24.8	24.8	12.8	11.4
Other		7.1	12.0	1.4
Write- Offs/ Disposals		(10.0)
Balance At End Of Period	$ 24.8	$ 21.9	$ 24.8	$ 12.8