Revenue Recognition Cumulative Effect on Balance sheet (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Accounts and notes receivable, net	$ 477.8				$ 472.7				$ 477.8	$ 472.7
Inventory, Net	544.1				509.8				544.1	509.8
Other Assets, Current	58.8				60.6				58.8	60.6
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	21.5				67.0				21.5	67.0
Accounts Payable, Current	372.4				433.3				372.4	433.3
Accrued Liabilities, Current	255.7				272.3				255.7	272.3
Accrued asbestos reserves	8.4				13.0				8.4	13.0
Retained Earnings (Accumulated Deficit)	2,148.7				1,855.0				2,148.7	1,855.0
Revenues	885.0	$ 1,032.9	$ 1,099.1	$ 790.3	843.6	$ 1,030.2	$ 1,175.4	$ 834.8	3,807.2	3,883.9	$ 3,839.6
Cost of Goods and Services Sold									2,727.4	2,772.7	2,714.4
Income Tax Expense (Benefit)									99.1	107.6	156.9
Net income	$ 114.0	$ 114.7	$ 110.7	$ 69.3	$ 75.6	$ 108.0	$ 137.6	$ 37.9	$ 408.7	$ 359.0	305.7
Accounting Standards Update 2014-09 [Member] | Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
Retained Earnings (Accumulated Deficit)											$ 1.0