Condensed Consolidating Financial Statements (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
Current Assets:
Cash and cash equivalents	$ 36.7	$ 37.5	$ 39.0	$ 38.0
Accounts and notes receivable, net	449.4	421.4
Inventories, net	533.1	463.3
Deferred income taxes, net	32.7	32.5
Other assets	88.4	59.3
Total current assets	1,140.3	1,014.0
Property, plant and equipment, net	356.0	358.6
Goodwill	204.5	209.4
Investments in subsidiaries	0	0
Deferred income taxes	91.5	97.5
Other assets, net	87.2	84.8
Intercompany receivables (payables)	0	0
Total assets	1,879.5	1,764.3
Current Liabilities:
Short-term debt	185.3	226.6
Current maturities of long-term debt	31.5	24.0
Accounts payable	347.6	324.3
Accrued expenses	204.9	239.0
Income taxes payable	1.2	13.4
Total current liabilities	770.5	827.3
Long-term debt	869.0	675.0
Post-retirement benefits, other than pensions	4.0	4.5
Pensions	131.0	129.9
Other liabilities	121.2	118.6
Total liabilities	1,895.7	1,755.3
Commitments and contingencies
Total stockholders’ (deficit) equity	(16.2)	9.0
Total liabilities and stockholders' (deficit) equity	1,879.5	1,764.3
Parent [Member]
Current Assets:
Cash and cash equivalents	1.2	1.0	1.2	1.1
Accounts and notes receivable, net	0	0
Inventories, net	0	0
Deferred income taxes, net	3.0	2.8
Other assets	3.4	3.6
Total current assets	7.6	7.4
Property, plant and equipment, net	0	0
Goodwill	0	0
Investments in subsidiaries	969.7	978.1
Deferred income taxes	0.6	0.5
Other assets, net	5.1	5.2
Intercompany receivables (payables)	(92.9)	(280.4)
Total assets	890.1	710.8
Current Liabilities:
Short-term debt	0	0
Current maturities of long-term debt	30.0	22.5
Accounts payable	13.5	13.4
Accrued expenses	11.0	9.0
Income taxes payable	(2.4)	(3.7)
Total current liabilities	52.1	41.2
Long-term debt	853.5	659.5
Post-retirement benefits, other than pensions	0	0
Pensions	0	0
Other liabilities	0.7	1.1
Total liabilities	906.3	701.8
Commitments and contingencies
Total stockholders’ (deficit) equity	(16.2)	9.0
Total liabilities and stockholders' (deficit) equity	890.1	710.8
Guarantor Subsidiaries [Member]
Current Assets:
Cash and cash equivalents	11.9	11.5	10.9	10.5
Accounts and notes receivable, net	27.5	12.3
Inventories, net	419.0	350.6
Deferred income taxes, net	27.3	27.3
Other assets	44.2	45.7
Total current assets	529.9	447.4
Property, plant and equipment, net	273.0	269.0
Goodwill	140.5	140.4
Investments in subsidiaries	389.6	263.5
Deferred income taxes	86.4	90.8
Other assets, net	60.3	61.0
Intercompany receivables (payables)	89.8	302.4
Total assets	1,569.5	1,574.5
Current Liabilities:
Short-term debt	0	0
Current maturities of long-term debt	1.3	1.2
Accounts payable	269.4	237.8
Accrued expenses	145.2	175.5
Income taxes payable	16.1	34.7
Total current liabilities	432.0	449.2
Long-term debt	15.3	15.3
Post-retirement benefits, other than pensions	4.0	4.5
Pensions	119.6	117.6
Other liabilities	122.1	118.7
Total liabilities	693.0	705.3
Commitments and contingencies
Total stockholders’ (deficit) equity	876.5	869.2
Total liabilities and stockholders' (deficit) equity	1,569.5	1,574.5
Non-Guarantor Subsidiaries [Member]
Current Assets:
Cash and cash equivalents	23.6	25.0	26.9	26.4
Accounts and notes receivable, net	421.9	409.1
Inventories, net	121.7	119.7
Deferred income taxes, net	7.5	7.4
Other assets	99.6	67.2
Total current assets	674.3	628.4
Property, plant and equipment, net	83.0	89.6
Goodwill	64.0	69.0
Investments in subsidiaries	(0.6)	(0.6)
Deferred income taxes	14.1	15.8
Other assets, net	23.2	20.1
Intercompany receivables (payables)	3.1	(22.0)
Total assets	861.1	800.3
Current Liabilities:
Short-term debt	185.3	226.6
Current maturities of long-term debt	0.2	0.3
Accounts payable	64.7	73.1
Accrued expenses	48.7	54.5
Income taxes payable	54.4	47.5
Total current liabilities	353.3	402.0
Long-term debt	0.2	0.2
Post-retirement benefits, other than pensions	0	0
Pensions	11.4	12.3
Other liabilities	11.5	11.7
Total liabilities	376.4	426.2
Commitments and contingencies
Total stockholders’ (deficit) equity	484.7	374.1
Total liabilities and stockholders' (deficit) equity	861.1	800.3
Eliminations [Member]
Current Assets:
Cash and cash equivalents	0	0	0	0
Accounts and notes receivable, net	0	0
Inventories, net	(7.6)	(7.0)
Deferred income taxes, net	(5.1)	(5.0)
Other assets	(58.8)	(57.2)
Total current assets	(71.5)	(69.2)
Property, plant and equipment, net	0	0
Goodwill	0	0
Investments in subsidiaries	(1,358.7)	(1,241.0)
Deferred income taxes	(9.6)	(9.6)
Other assets, net	(1.4)	(1.5)
Intercompany receivables (payables)	0	0
Total assets	(1,441.2)	(1,321.3)
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	(66.9)	(65.1)
Total current liabilities	(66.9)	(65.1)
Long-term debt	0	0
Post-retirement benefits, other than pensions	0	0
Pensions	0	0
Other liabilities	(13.1)	(12.9)
Total liabilities	(80.0)	(78.0)
Commitments and contingencies
Total stockholders’ (deficit) equity	(1,361.2)	(1,243.3)
Total liabilities and stockholders' (deficit) equity	$ (1,441.2)	$ (1,321.3)