Condensed Consolidating Financial Statements (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012
Current Assets:
Cash and cash equivalents	$ 39.0	$ 38.0	$ 34.9	$ 51.8
Accounts and notes receivable, net	442.2	408.1
Inventories, net	490.3	378.8
Deferred income taxes, net	26.2	24.5
Other assets	59.8	53.0
Total current assets	1,057.5	902.4
Property, plant and equipment, net	340.6	335.5
Goodwill	218.9	216.8
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	0	0
Deferred income taxes	82.8	88.5
Other assets, net	87.9	83.5
Related Party Transaction, Due from (to) Related Party	0	0
Total assets	1,787.7	1,626.7
Current Liabilities:
Short-term debt	168.8	165.9
Current maturities of long-term debt	1.4	1.3
Accounts payable	343.1	283.1
Accrued expenses	205.2	232.1
Income taxes payable	1.5	31.6
Total current liabilities	720.0	714.0
Long-term debt	394.0	233.2
Post-retirement benefits, other than pensions	4.3	4.6
Pensions	60.3	70.0
Other liabilities	117.5	119.2
Total liabilities	1,296.1	1,141.0
Commitments and contingencies
Total stockholders' equity	491.6	485.7
Total liabilities and stockholders' equity	1,787.7	1,626.7
Parent [Member]
Current Assets:
Cash and cash equivalents	1.2	1.1	0	1.0
Accounts and notes receivable, net	0	0
Inventories, net	0	0
Deferred income taxes, net	2.5	0.9
Other assets	3.9	3.4
Total current assets	7.6	5.4
Property, plant and equipment, net	0	0
Goodwill	0	0
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	1,165.0	1,138.8
Deferred income taxes	0	0
Other assets, net	3.7	4.2
Related Party Transaction, Due from (to) Related Party	(233.0)	(460.6)
Total assets	943.3	687.8
Current Liabilities:
Short-term debt	0	0
Current maturities of long-term debt	0	0
Accounts payable	11.9	11.8
Accrued expenses	11.1	3.3
Income taxes payable	50.9	(30.3)
Total current liabilities	73.9	(15.2)
Long-term debt	377.0	217.0
Post-retirement benefits, other than pensions	0	0
Pensions	0	0
Other liabilities	0.8	0.3
Total liabilities	451.7	202.1
Commitments and contingencies
Total stockholders' equity	491.6	485.7
Total liabilities and stockholders' equity	943.3	687.8
Guarantor Subsidiaries [Member]
Current Assets:
Cash and cash equivalents	10.9	10.5	14.0	13.4
Accounts and notes receivable, net	15.8	12.8
Inventories, net	358.3	253.6
Deferred income taxes, net	21.2	21.2
Other assets	40.6	38.4
Total current assets	446.8	336.5
Property, plant and equipment, net	246.7	246.4
Goodwill	140.4	140.4
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	370.3	337.5
Deferred income taxes	70.9	76.9
Other assets, net	64.8	64.3
Related Party Transaction, Due from (to) Related Party	222.8	434.0
Total assets	1,562.7	1,636.0
Current Liabilities:
Short-term debt	0	0
Current maturities of long-term debt	1.0	1.0
Accounts payable	254.3	187.8
Accrued expenses	130.6	168.4
Income taxes payable	(35.0)	75.7
Total current liabilities	350.9	432.9
Long-term debt	16.7	15.8
Post-retirement benefits, other than pensions	4.3	4.6
Pensions	49.5	58.4
Other liabilities	117.0	119.4
Total liabilities	538.4	631.1
Commitments and contingencies
Total stockholders' equity	1,024.3	1,004.9
Total liabilities and stockholders' equity	1,562.7	1,636.0
Non-Guarantor Subsidiaries [Member]
Current Assets:
Cash and cash equivalents	26.9	26.4	20.9	37.4
Accounts and notes receivable, net	426.4	395.3
Inventories, net	136.1	128.4
Deferred income taxes, net	5.8	5.7
Other assets	80.1	70.2
Total current assets	675.3	626.0
Property, plant and equipment, net	93.9	89.1
Goodwill	78.5	76.4
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	(0.6)	(0.6)
Deferred income taxes	20.5	20.2
Other assets, net	20.9	16.4
Related Party Transaction, Due from (to) Related Party	10.2	26.6
Total assets	898.7	854.1
Current Liabilities:
Short-term debt	168.8	165.9
Current maturities of long-term debt	0.4	0.3
Accounts payable	76.9	83.5
Accrued expenses	63.6	60.4
Income taxes payable	55.4	49.9
Total current liabilities	365.1	360.0
Long-term debt	0.3	0.4
Post-retirement benefits, other than pensions	0	0
Pensions	10.8	11.6
Other liabilities	11.5	11.3
Total liabilities	387.7	383.3
Commitments and contingencies
Total stockholders' equity	511.0	470.8
Total liabilities and stockholders' equity	898.7	854.1
Eliminations [Member]
Current Assets:
Cash and cash equivalents	0	0	0	0
Accounts and notes receivable, net	0	0
Inventories, net	(4.1)	(3.2)
Deferred income taxes, net	(3.3)	(3.3)
Other assets	(64.8)	(59.0)
Total current assets	(72.2)	(65.5)
Property, plant and equipment, net	0	0
Goodwill	0	0
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	(1,534.7)	(1,475.7)
Deferred income taxes	(8.6)	(8.6)
Other assets, net	(1.5)	(1.4)
Related Party Transaction, Due from (to) Related Party	0	0
Total assets	(1,617.0)	(1,551.2)
Current Liabilities:
Short-term debt	0	0
Current maturities of long-term debt	0	0
Accounts payable	0	0
Accrued expenses	(0.1)	0
Income taxes payable	(69.8)	(63.7)
Total current liabilities	(69.9)	(63.7)
Long-term debt	0	0
Post-retirement benefits, other than pensions	0	0
Pensions	0	0
Other liabilities	(11.8)	(11.8)
Total liabilities	(81.7)	(75.5)
Commitments and contingencies
Total stockholders' equity	(1,535.3)	(1,475.7)
Total liabilities and stockholders' equity	$ (1,617.0)	$ (1,551.2)