Supplemental Guarantor Financial Information - Condensed Consolidating Balance Sheets (Details) - USD ($) $ in Millions	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 112.1			$ 129.6
Accounts receivable, net	287.1			286.6
Intercompany receivables	0.0			0.0
Inventories	225.5			233.1
Income tax receivable	38.5			49.6
Prepaid expenses and other current assets	34.4			33.2
Total current assets	697.6			732.1
Property, plant and equipment, net	284.9			301.2
Goodwill	485.0			333.7
Other intangible assets, net	494.3			297.3
Intercompany receivables	0.0			0.0
Investment in subsidiaries	0.0			0.0
Other assets	107.9			51.5
Total assets	2,069.7			1,715.8
Current liabilities
Current maturities of long-term debt	0.4			2.4
Accounts payable	105.6			139.2
Intercompany payables	0.0			0.0
Accrued expenses	200.8			150.4
Total current liabilities	306.8			292.0
Long-term debt	665.9			462.5
Intercompany payables	0.0			0.0
Other liabilities	192.6			103.6
Total liabilities	1,165.3			858.1
Redeemable non-controlling interest	28.0			0.0
Shareholders’ equity	876.4	$ 876.2	$ 871.1	857.7	$ 896.8	$ 864.7	$ 901.1	$ 902.8
Total liabilities and equity	2,069.7			1,715.8
Eliminations
Current assets
Cash and cash equivalents	0.0			0.0
Accounts receivable, net	0.0			0.0
Intercompany receivables	(28.2)			(27.9)
Inventories	0.0			0.0
Income tax receivable	0.0			0.0
Prepaid expenses and other current assets	0.0			0.0
Total current assets	(28.2)			(27.9)
Property, plant and equipment, net	0.0			0.0
Goodwill	0.0			0.0
Other intangible assets, net	0.0			0.0
Intercompany receivables	(7.9)			(53.9)
Investment in subsidiaries	(1,884.1)			(1,634.1)
Other assets	0.0			0.0
Total assets	(1,920.2)			(1,715.9)
Current liabilities
Current maturities of long-term debt	0.0			0.0
Accounts payable	0.0			0.0
Intercompany payables	(28.2)			(27.9)
Accrued expenses	0.0			0.0
Total current liabilities	(28.2)			(27.9)
Long-term debt	0.0			0.0
Intercompany payables	(7.9)			(53.9)
Other liabilities	0.0			0.0
Total liabilities	(36.1)			(81.8)
Redeemable non-controlling interest	0.0
Shareholders’ equity	(1,884.1)			(1,634.1)
Total liabilities and equity	(1,920.2)			(1,715.9)
Parent
Current liabilities
Redeemable non-controlling interest	0.0
Parent | Reportable Legal Entities
Current assets
Cash and cash equivalents	0.0			0.0
Accounts receivable, net	0.2			0.0
Intercompany receivables	0.0			0.0
Inventories	0.0			0.0
Income tax receivable	27.3			42.9
Prepaid expenses and other current assets	5.7			4.9
Total current assets	33.2			47.8
Property, plant and equipment, net	0.0			2.2
Goodwill	0.0			0.0
Other intangible assets, net	0.0			0.0
Intercompany receivables	0.0			0.0
Investment in subsidiaries	1,218.7			1,246.4
Other assets	31.9			13.6
Total assets	1,283.8			1,310.0
Current liabilities
Current maturities of long-term debt	0.0			2.1
Accounts payable	2.0			2.1
Intercompany payables	0.0			0.0
Accrued expenses	20.5			13.9
Total current liabilities	22.5			18.1
Long-term debt	345.2			345.0
Intercompany payables	3.7			51.1
Other liabilities	36.0			38.1
Total liabilities	407.4			452.3
Shareholders’ equity	876.4			857.7
Total liabilities and equity	1,283.8			1,310.0
Guarantor Subsidiaries
Current liabilities
Redeemable non-controlling interest	28.0
Guarantor Subsidiaries | Reportable Legal Entities
Current assets
Cash and cash equivalents	0.0			2.3
Accounts receivable, net	200.3			210.3
Intercompany receivables	16.8			19.0
Inventories	153.3			155.3
Income tax receivable	0.3			0.3
Prepaid expenses and other current assets	22.1			20.3
Total current assets	392.8			407.5
Property, plant and equipment, net	195.6			209.7
Goodwill	291.1			261.0
Other intangible assets, net	232.7			242.2
Intercompany receivables	2.8			53.9
Investment in subsidiaries	665.4			387.7
Other assets	39.6			25.3
Total assets	1,820.0			1,587.3
Current liabilities
Current maturities of long-term debt	0.4			0.3
Accounts payable	71.4			99.0
Intercompany payables	11.4			8.9
Accrued expenses	112.9			82.8
Total current liabilities	196.1			191.0
Long-term debt	320.4			117.5
Intercompany payables	1.4			0.0
Other liabilities	55.4			32.4
Total liabilities	573.3			340.9
Shareholders’ equity	1,218.7			1,246.4
Total liabilities and equity	1,820.0			1,587.3
Non-guarantor Subsidiaries
Current liabilities
Redeemable non-controlling interest	0.0
Non-guarantor Subsidiaries | Reportable Legal Entities
Current assets
Cash and cash equivalents	112.1			127.3
Accounts receivable, net	86.6			76.3
Intercompany receivables	11.4			8.9
Inventories	72.2			77.8
Income tax receivable	10.9			6.4
Prepaid expenses and other current assets	6.6			8.0
Total current assets	299.8			304.7
Property, plant and equipment, net	89.3			89.3
Goodwill	193.9			72.7
Other intangible assets, net	261.6			55.1
Intercompany receivables	5.1			0.0
Investment in subsidiaries	0.0			0.0
Other assets	36.4			12.6
Total assets	886.1			534.4
Current liabilities
Current maturities of long-term debt	0.0			0.0
Accounts payable	32.2			38.1
Intercompany payables	16.8			19.0
Accrued expenses	67.4			53.7
Total current liabilities	116.4			110.8
Long-term debt	0.3			0.0
Intercompany payables	2.8			2.8
Other liabilities	101.2			33.1
Total liabilities	220.7			146.7
Shareholders’ equity	665.4			387.7
Total liabilities and equity	$ 886.1			$ 534.4