Guarantor Condensed Consolidated Financial Statements - Condensed Consolidating Balance Sheets (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current Assets:
Cash and Cash Equivalents	$ 59.1	$ 54.9	$ 81.6	$ 52.2
Receivables, Net	426.8	423.9
Inventories, Net	582.9	557.1
Intercompany	0.0	0.0
Other Current Assets	46.1	30.9
Total Current Assets	1,114.9	1,066.8
Property, Plant and Equipment, Net	1,751.9	1,586.4
Investment in Consolidated Subsidiaries	0.0	0.0
Goodwill	1,260.3	1,167.8	1,118.1
Other Assets	476.3	435.1
Total Assets	4,603.4	4,256.1	4,137.6
Current Liabilities:
Short-Term Debt and Current Portion of Long-Term Debt	63.4	36.6
Accounts Payable	466.5	457.9
Interest Payable	15.4	9.2
Intercompany	0.0	0.0
Other Accrued Liabilities	234.5	228.5
Total Current Liabilities	779.8	732.2
Long-Term Debt	2,088.5	1,838.9
Deferred Income Tax Liabilities	408.0	266.7
Other Noncurrent Liabilities	270.6	316.6
SHAREHOLDERS' EQUITY
Total Shareholders' Equity	1,056.5	1,101.7
Total Liabilities and Shareholders' Equity	4,603.4	4,256.1
Reportable Legal Entities | Parent
Current Assets:
Cash and Cash Equivalents	0.0	0.0	0.0	0.0
Receivables, Net	0.0	0.0
Inventories, Net	0.0	0.0
Intercompany	0.0	0.0
Other Current Assets	0.0	0.0
Total Current Assets	0.0	0.0
Property, Plant and Equipment, Net	0.0	0.0
Investment in Consolidated Subsidiaries	1,362.9	1,176.8
Goodwill	0.0	0.0
Other Assets	0.0	0.0
Total Assets	1,362.9	1,176.8
Current Liabilities:
Short-Term Debt and Current Portion of Long-Term Debt	0.0	0.0
Accounts Payable	0.0	0.0
Interest Payable	0.0	0.0
Intercompany	306.4	75.1
Other Accrued Liabilities	0.0	0.0
Total Current Liabilities	306.4	75.1
Long-Term Debt	0.0	0.0
Deferred Income Tax Liabilities	0.0	0.0
Other Noncurrent Liabilities	0.0	0.0
SHAREHOLDERS' EQUITY
Total Shareholders' Equity	1,056.5	1,101.7
Total Liabilities and Shareholders' Equity	1,362.9	1,176.8
Reportable Legal Entities | Subsidiary Issuer
Current Assets:
Cash and Cash Equivalents	0.9	0.1	2.0	1.3
Receivables, Net	183.7	217.0
Inventories, Net	403.8	408.8
Intercompany	1,077.5	656.4
Other Current Assets	36.4	19.2
Total Current Assets	1,702.3	1,301.5
Property, Plant and Equipment, Net	1,435.8	1,358.0
Investment in Consolidated Subsidiaries	0.0	0.0
Goodwill	1,098.9	1,042.8
Other Assets	314.8	334.7
Total Assets	4,551.8	4,037.0
Current Liabilities:
Short-Term Debt and Current Portion of Long-Term Debt	26.0	25.5
Accounts Payable	354.3	342.8
Interest Payable	15.4	9.2
Intercompany	0.0	0.0
Other Accrued Liabilities	163.2	182.6
Total Current Liabilities	558.9	560.1
Long-Term Debt	2,042.4	1,761.4
Deferred Income Tax Liabilities	342.1	249.2
Other Noncurrent Liabilities	245.5	289.5
SHAREHOLDERS' EQUITY
Total Shareholders' Equity	1,362.9	1,176.8
Total Liabilities and Shareholders' Equity	4,551.8	4,037.0
Reportable Legal Entities | Combined Guarantor Subsidiaries
Current Assets:
Cash and Cash Equivalents	1.2	0.0	0.0	0.0
Receivables, Net	10.1	0.0
Inventories, Net	16.1	0.0
Intercompany	73.3	21.6
Other Current Assets	0.0	6.3
Total Current Assets	100.7	27.9
Property, Plant and Equipment, Net	64.1	0.2
Investment in Consolidated Subsidiaries	12.3	15.2
Goodwill	55.5	0.0
Other Assets	65.6	0.0
Total Assets	298.2	43.3
Current Liabilities:
Short-Term Debt and Current Portion of Long-Term Debt	0.0	0.0
Accounts Payable	8.5	0.0
Interest Payable	0.0	0.0
Intercompany	0.0	0.0
Other Accrued Liabilities	3.0	0.0
Total Current Liabilities	11.5	0.0
Long-Term Debt	0.0	0.0
Deferred Income Tax Liabilities	43.3	0.0
Other Noncurrent Liabilities	0.0	0.0
SHAREHOLDERS' EQUITY
Total Shareholders' Equity	243.4	43.3
Total Liabilities and Shareholders' Equity	298.2	43.3
Reportable Legal Entities | Combined Nonguarantor Subsidiaries
Current Assets:
Cash and Cash Equivalents	57.0	54.8	79.6	50.9
Receivables, Net	233.0	206.9
Inventories, Net	163.0	148.3
Intercompany	0.0	0.0
Other Current Assets	9.7	5.4
Total Current Assets	462.7	415.4
Property, Plant and Equipment, Net	252.0	228.2
Investment in Consolidated Subsidiaries	0.0	0.0
Goodwill	105.9	125.0
Other Assets	95.9	100.4
Total Assets	916.5	869.0
Current Liabilities:
Short-Term Debt and Current Portion of Long-Term Debt	37.4	11.1
Accounts Payable	103.7	115.1
Interest Payable	0.0	0.0
Intercompany	913.0	808.8
Other Accrued Liabilities	68.3	45.9
Total Current Liabilities	1,122.4	980.9
Long-Term Debt	46.1	77.5
Deferred Income Tax Liabilities	22.6	17.5
Other Noncurrent Liabilities	25.1	27.1
SHAREHOLDERS' EQUITY
Total Shareholders' Equity	(299.7)	(234.0)
Total Liabilities and Shareholders' Equity	916.5	869.0
Consolidating Eliminations
Current Assets:
Cash and Cash Equivalents	0.0	0.0	$ 0.0	$ 0.0
Receivables, Net	0.0	0.0
Inventories, Net	0.0	0.0
Intercompany	(1,150.8)	(678.0)
Other Current Assets	0.0	0.0
Total Current Assets	(1,150.8)	(678.0)
Property, Plant and Equipment, Net	0.0	0.0
Investment in Consolidated Subsidiaries	(1,375.2)	(1,192.0)
Goodwill	0.0	0.0
Other Assets	0.0	0.0
Total Assets	(2,526.0)	(1,870.0)
Current Liabilities:
Short-Term Debt and Current Portion of Long-Term Debt	0.0	0.0
Accounts Payable	0.0	0.0
Interest Payable	0.0	0.0
Intercompany	(1,219.4)	(883.9)
Other Accrued Liabilities	0.0	0.0
Total Current Liabilities	(1,219.4)	(883.9)
Long-Term Debt	0.0	0.0
Deferred Income Tax Liabilities	0.0	0.0
Other Noncurrent Liabilities	0.0	0.0
SHAREHOLDERS' EQUITY
Total Shareholders' Equity	(1,306.6)	(986.1)
Total Liabilities and Shareholders' Equity	$ (2,526.0)	$ (1,870.0)