Condensed Consolidating Financial Statements (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 37.5	$ 38.0	$ 51.8	$ 45.0
Accounts and notes receivable, net	421.4	408.1
Inventories, net	463.3	378.8
Deferred income taxes, net	32.5	24.5
Other assets	59.3	53.0
Total current assets	1,014.0	902.4
Property, plant and equipment, net	358.6	335.5	298.2
Goodwill	209.4	216.8	223.8
Investments in subsidiaries	0	0
Deferred income taxes	97.5	88.5
Other assets, net	84.8	83.5
Intercompany receivables (payables), net	0	0
Total assets	1,764.3	1,626.7	1,691.9
Current Liabilities:
Short-term debt	226.6	165.9
Current maturities of long-term debt	24.0	1.3
Accounts payable	324.3	283.1
Accrued expenses	239.0	232.1
Income taxes payable	13.4	31.6
Total current liabilities	827.3	714.0
Long-term debt	675.0	233.2
Post-retirement benefits, other than pensions	4.5	4.6
Pensions	129.9	70.0
Other liabilities	118.6	119.2
Total liabilities	1,755.3	1,141.0
Commitments and contingencies
Total stockholders’ equity	9.0	485.7	498.3	469.0
Total liabilities and stockholders' equity	1,764.3	1,626.7
Parent [Member]
Current assets:
Cash and cash equivalents	1.0	1.1	1.0	1.0
Accounts and notes receivable, net	0	0
Inventories, net	0	0
Deferred income taxes, net	2.8	0.9
Other assets	3.6	3.4
Total current assets	7.4	5.4
Property, plant and equipment, net	0	0
Goodwill	0	0
Investments in subsidiaries	978.1	1,138.8
Deferred income taxes	0.5	0
Other assets, net	5.2	4.2
Intercompany receivables (payables), net	(280.4)	(460.6)
Total assets	710.8	687.8
Current Liabilities:
Short-term debt	0	0
Current maturities of long-term debt	22.5	0
Accounts payable	13.4	11.8
Accrued expenses	9.0	3.3
Income taxes payable	(3.7)	(30.3)
Total current liabilities	41.2	(15.2)
Long-term debt	659.5	217.0
Post-retirement benefits, other than pensions	0	0
Pensions	0	0
Other liabilities	1.1	0.3
Total liabilities	701.8	202.1
Total stockholders’ equity	9.0	485.7
Total liabilities and stockholders' equity	710.8	687.8
Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	11.5	10.5	13.4	9.7
Accounts and notes receivable, net	12.3	12.8
Inventories, net	350.6	253.6
Deferred income taxes, net	27.3	21.2
Other assets	45.7	38.4
Total current assets	447.4	336.5
Property, plant and equipment, net	269.0	246.4
Goodwill	140.4	140.4
Investments in subsidiaries	263.5	337.5
Deferred income taxes	90.8	76.9
Other assets, net	61.0	64.3
Intercompany receivables (payables), net	302.4	434.0
Total assets	1,574.5	1,636.0
Current Liabilities:
Short-term debt	0	0
Current maturities of long-term debt	1.2	1.0
Accounts payable	237.8	187.8
Accrued expenses	175.5	168.4
Income taxes payable	34.7	75.7
Total current liabilities	449.2	432.9
Long-term debt	15.3	15.8
Post-retirement benefits, other than pensions	4.5	4.6
Pensions	117.6	58.4
Other liabilities	118.7	119.4
Total liabilities	705.3	631.1
Total stockholders’ equity	869.2	1,004.9
Total liabilities and stockholders' equity	1,574.5	1,636.0
Non-Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	25.0	26.4	37.4	34.3
Accounts and notes receivable, net	409.1	395.3
Inventories, net	119.7	128.4
Deferred income taxes, net	7.4	5.7
Other assets	67.2	70.2
Total current assets	628.4	626.0
Property, plant and equipment, net	89.6	89.1
Goodwill	69.0	76.4
Investments in subsidiaries	(0.6)	(0.6)
Deferred income taxes	15.8	20.2
Other assets, net	20.1	16.4
Intercompany receivables (payables), net	(22.0)	26.6
Total assets	800.3	854.1
Current Liabilities:
Short-term debt	226.6	165.9
Current maturities of long-term debt	0.3	0.3
Accounts payable	73.1	83.5
Accrued expenses	54.5	60.4
Income taxes payable	47.5	49.9
Total current liabilities	402.0	360.0
Long-term debt	0.2	0.4
Post-retirement benefits, other than pensions	0	0
Pensions	12.3	11.6
Other liabilities	11.7	11.3
Total liabilities	426.2	383.3
Total stockholders’ equity	374.1	470.8
Total liabilities and stockholders' equity	800.3	854.1
Eliminations [Member]
Current assets:
Cash and cash equivalents	0	0	0	0
Accounts and notes receivable, net	0	0
Inventories, net	(7.0)	(3.2)
Deferred income taxes, net	(5.0)	(3.3)
Other assets	(57.2)	(59.0)
Total current assets	(69.2)	(65.5)
Property, plant and equipment, net	0	0
Goodwill	0	0
Investments in subsidiaries	(1,241.0)	(1,475.7)
Deferred income taxes	(9.6)	(8.6)
Other assets, net	(1.5)	(1.4)
Intercompany receivables (payables), net	0	0
Total assets	(1,321.3)	(1,551.2)
Current Liabilities:
Short-term debt	0	0
Current maturities of long-term debt	0	0
Accounts payable	0	0
Accrued expenses	0	0
Income taxes payable	(65.1)	(63.7)
Total current liabilities	(65.1)	(63.7)
Long-term debt	0	0
Post-retirement benefits, other than pensions	0	0
Pensions	0	0
Other liabilities	(12.9)	(11.8)
Total liabilities	(78.0)	(75.5)
Total stockholders’ equity	(1,243.3)	(1,475.7)
Total liabilities and stockholders' equity	$ (1,321.3)	$ (1,551.2)