Subsidiary Guarantors of Senior Notes due 2024 - Condensed Consolidated Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Current Assets:
Cash and cash equivalents	$ 128.4	$ 53.8	$ 32.0	$ 16.5
Restricted cash	0.3	6.4
Accounts receivable — net	83.7	81.7
Inventories — net	152.3	145.6
Prepaids and other current assets	19.0	13.9
Current assets held for sale	0.0	6.8
Total current assets	383.7	308.2
Property, plant and equipment — net	112.2	109.1
Goodwill	846.1	845.3	845.8
Other intangible assets — net	461.4	484.4
Intercompany long-term note receivable	0.0	0.0
Due from affiliates	0.0	0.0
Investment in subsidiaries	0.0	0.0
Other non-current assets	37.0	22.1
Total assets	1,840.4	1,769.1
Current liabilities:
Accounts payable	103.6	108.4
Accrued expenses and other liabilities	161.7	174.5
Current portion of capital leases	0.7	1.6
Product warranties	24.1	27.9
Current liabilities held for sale	0.0	0.7
Total current liabilities	290.1	313.1
Long-term debt and capital leases	1,232.2	1,278.7
Deferred income taxes	92.3	137.8
Pension and postretirement health obligations	48.3	47.4
Intercompany long-term note payable	0.0	0.0
Due to affiliates	0.0	0.0
Investment in subsidiaries	0.0	0.0
Other long-term liabilities	67.1	35.6
Total non-current liabilities	1,439.9	1,499.5
Equity [Abstract]
Total (deficit) equity	110.4	(43.5)
Total liabilities and equity	1,840.4	1,769.1
Consolidating Adjustments
Current Assets:
Cash and cash equivalents	(0.8)	0.0	0.0	0.0
Restricted cash	0.0	0.0
Accounts receivable — net	(1.0)	(4.9)
Inventories — net	0.0	0.0
Prepaids and other current assets	0.0	0.0
Current assets held for sale		0.0
Total current assets	(1.8)	(4.9)
Property, plant and equipment — net	0.0	0.0
Goodwill	0.0	0.0
Other intangible assets — net	0.0	0.0
Intercompany long-term note receivable	(20.0)	(20.0)
Due from affiliates	(3,239.8)	(3,085.8)
Investment in subsidiaries	(4,015.6)	(3,780.3)
Other non-current assets	(7.7)	(5.4)
Total assets	(7,284.9)	(6,896.4)
Current liabilities:
Accounts payable	(1.8)	(4.9)
Accrued expenses and other liabilities	0.0	0.0
Current portion of capital leases	0.0	0.0
Product warranties	0.0	0.0
Current liabilities held for sale		0.0
Total current liabilities	(1.8)	(4.9)
Long-term debt and capital leases	0.0	0.0
Deferred income taxes	0.0	0.0
Pension and postretirement health obligations	(7.7)	(5.4)
Intercompany long-term note payable	(20.0)	(20.0)
Due to affiliates	(3,239.8)	(3,085.8)
Investment in subsidiaries	(430.8)	(524.6)
Other long-term liabilities	0.0	0.0
Total non-current liabilities	(3,698.3)	(3,635.8)
Equity [Abstract]
Total (deficit) equity	(3,584.8)	(3,255.7)
Total liabilities and equity	(7,284.9)	(6,896.4)
Parent
Current Assets:
Cash and cash equivalents	8.8	0.4	0.0	0.0
Restricted cash	0.0	0.0
Accounts receivable — net	0.0	0.5
Inventories — net	0.0	0.0
Prepaids and other current assets	5.3	0.9
Current assets held for sale		0.0
Total current assets	14.1	1.8
Property, plant and equipment — net	0.5	1.2
Goodwill	0.0	0.0
Other intangible assets — net	0.0	0.0
Intercompany long-term note receivable	0.0	0.0
Due from affiliates	0.0	0.0
Investment in subsidiaries	4,015.6	3,780.3
Other non-current assets	10.8	2.7
Total assets	4,041.0	3,786.0
Current liabilities:
Accounts payable	0.2	0.1
Accrued expenses and other liabilities	19.1	14.1
Current portion of capital leases	0.0	0.0
Product warranties	0.0	0.0
Current liabilities held for sale		0.0
Total current liabilities	19.3	14.2
Long-term debt and capital leases	1,230.2	1,277.0
Deferred income taxes	74.7	120.5
Pension and postretirement health obligations	51.3	47.9
Intercompany long-term note payable	15.7	15.7
Due to affiliates	2,501.4	2,344.8
Investment in subsidiaries	0.0	0.0
Other long-term liabilities	38.0	9.4
Total non-current liabilities	3,911.3	3,815.3
Equity [Abstract]
Total (deficit) equity	110.4	(43.5)
Total liabilities and equity	4,041.0	3,786.0
Guarantor Subsidiaries
Current Assets:
Cash and cash equivalents	0.0	2.3	3.5	2.7
Restricted cash	0.0	0.0
Accounts receivable — net	0.0	0.0
Inventories — net	69.8	74.3
Prepaids and other current assets	5.9	4.5
Current assets held for sale		2.3
Total current assets	75.7	83.4
Property, plant and equipment — net	68.7	67.9
Goodwill	832.4	832.4
Other intangible assets — net	396.3	423.5
Intercompany long-term note receivable	20.0	20.0
Due from affiliates	3,239.8	3,085.8
Investment in subsidiaries	0.0	0.0
Other non-current assets	5.2	5.1
Total assets	4,638.1	4,518.1
Current liabilities:
Accounts payable	58.2	64.6
Accrued expenses and other liabilities	86.1	97.5
Current portion of capital leases	0.5	0.5
Product warranties	16.2	18.4
Current liabilities held for sale		0.0
Total current liabilities	161.0	181.0
Long-term debt and capital leases	1.2	1.7
Deferred income taxes	0.0	0.0
Pension and postretirement health obligations	4.7	4.9
Intercompany long-term note payable	0.0	0.0
Due to affiliates	0.0	0.0
Investment in subsidiaries	430.8	524.6
Other long-term liabilities	24.8	25.6
Total non-current liabilities	461.5	556.8
Equity [Abstract]
Total (deficit) equity	4,015.6	3,780.3
Total liabilities and equity	4,638.1	4,518.1
Non- Guarantor Subsidiaries
Current Assets:
Cash and cash equivalents	120.4	51.1	$ 28.5	$ 13.8
Restricted cash	0.3	6.4
Accounts receivable — net	84.7	86.1
Inventories — net	82.5	71.3
Prepaids and other current assets	7.8	8.5
Current assets held for sale		4.5
Total current assets	295.7	227.9
Property, plant and equipment — net	43.0	40.0
Goodwill	13.7	12.9
Other intangible assets — net	65.1	60.9
Intercompany long-term note receivable	0.0	0.0
Due from affiliates	0.0	0.0
Investment in subsidiaries	0.0	0.0
Other non-current assets	28.7	19.7
Total assets	446.2	361.4
Current liabilities:
Accounts payable	47.0	48.6
Accrued expenses and other liabilities	56.5	62.9
Current portion of capital leases	0.2	1.1
Product warranties	7.9	9.5
Current liabilities held for sale		0.7
Total current liabilities	111.6	122.8
Long-term debt and capital leases	0.8	0.0
Deferred income taxes	17.6	17.3
Pension and postretirement health obligations	0.0	0.0
Intercompany long-term note payable	4.3	4.3
Due to affiliates	738.4	741.0
Investment in subsidiaries	0.0	0.0
Other long-term liabilities	4.3	0.6
Total non-current liabilities	765.4	763.2
Equity [Abstract]
Total (deficit) equity	(430.8)	(524.6)
Total liabilities and equity	$ 446.2	$ 361.4