Supplemental Guarantor Condensed Financial Information (Condensed Balance Sheets) (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Schedule of Financial Position [Line Items]
Cash and cash equivalents	$ 101.1	$ 112.4
Receivables, net of allowances	664.5	715.4
Inventories	768.2	846.4
Prepaid expenses and other	65.4	66.2
Total current assets	1,599.2	1,740.4
Property, plant and equipment, net	529.3	563.2
Deferred income taxes	20.4	30.9
Intercompany accounts	0.0	0.0
Investment in subsidiaries	0.0	0.0
Goodwill	12.0	22.2	$ 26.1
Intangible assets, net	28.3	36.6
Unconsolidated affiliated companies	9.0	8.4
Other non-current assets	43.4	52.9
Total assets	2,241.6	2,454.6	3,353.0
Accounts payable	414.0	428.7
Accrued liabilities	419.6	352.5
Current portion of long-term debt	67.5	168.1
Total current liabilities	901.1	949.3
Long-term debt	871.1	911.6
Deferred income taxes	126.7	145.5
Intercompany accounts	0.0	0.0
Other liabilities	173.8	187.1
Total liabilities	2,072.7	2,193.5
Redeemable noncontrolling interest	0.0	18.2
Total Company shareholders’ equity	153.1	228.0
Noncontrolling interest	15.8	14.9
Total liabilities, redeemable noncontrolling interest and equity	2,241.6	2,454.6
Eliminations [Member]
Schedule of Financial Position [Line Items]
Cash and cash equivalents	0.0	0.0
Receivables, net of allowances	0.0	0.0
Inventories		0.0
Prepaid expenses and other	0.0	0.0
Total current assets	0.0	0.0
Property, plant and equipment, net	0.0	0.0
Deferred income taxes	(42.9)	(56.2)
Intercompany accounts	(1,266.5)	(1,283.7)
Investment in subsidiaries	(685.9)	(745.2)
Goodwill	0.0	0.0
Intangible assets, net	0.0	0.0
Unconsolidated affiliated companies	0.0	0.0
Other non-current assets	0.0	0.0
Total assets	(1,995.3)	(2,085.1)
Accounts payable	0.0	0.0
Accrued liabilities	0.0	0.0
Current portion of long-term debt	0.0	0.0
Total current liabilities	0.0	0.0
Long-term debt	0.0	0.0
Deferred income taxes	(42.9)	(56.2)
Intercompany accounts	(1,266.5)	(1,283.7)
Other liabilities	0.0	0.0
Total liabilities	(1,309.4)	(1,339.9)
Redeemable noncontrolling interest		0.0
Total Company shareholders’ equity	(685.9)	(745.2)
Noncontrolling interest	0.0	0.0
Total liabilities, redeemable noncontrolling interest and equity	(1,995.3)	(2,085.1)
Parent Company [Member]
Schedule of Financial Position [Line Items]
Cash and cash equivalents	0.0	0.0
Receivables, net of allowances	0.0	0.0
Inventories	0.0	0.0
Prepaid expenses and other	0.0	0.0
Total current assets	0.0	0.0
Property, plant and equipment, net	0.3	0.4
Deferred income taxes	0.0	0.0
Intercompany accounts	1,092.4	1,114.5	$ 1,280.8	$ 1,305.5
Investment in subsidiaries	73.2	72.4
Goodwill	0.0	0.0
Intangible assets, net	0.0	0.0
Unconsolidated affiliated companies	0.0	0.0
Other non-current assets	0.0	0.0
Total assets	1,165.9	1,187.3
Accounts payable	0.0	0.0
Accrued liabilities	93.4	11.2
Current portion of long-term debt	0.0	0.0
Total current liabilities	93.4	11.2
Long-term debt	772.3	768.6
Deferred income taxes	147.1	179.5
Intercompany accounts	0.0	0.0
Other liabilities	0.0	0.0
Total liabilities	1,012.8	959.3
Redeemable noncontrolling interest		0.0
Total Company shareholders’ equity	153.1	228.0
Noncontrolling interest	0.0	0.0
Total liabilities, redeemable noncontrolling interest and equity	1,165.9	1,187.3
Guarantor Subsidiaries [Member]
Schedule of Financial Position [Line Items]
Cash and cash equivalents	1.0	0.8
Receivables, net of allowances	202.9	214.0
Inventories	363.4	367.7
Prepaid expenses and other	26.2	18.5
Total current assets	593.5	601.0
Property, plant and equipment, net	202.8	192.6
Deferred income taxes	42.9	56.2
Intercompany accounts	104.7	102.8
Investment in subsidiaries	612.7	672.8
Goodwill	5.6	13.8
Intangible assets, net	6.0	9.5
Unconsolidated affiliated companies	8.8	8.4
Other non-current assets	15.5	27.1
Total assets	1,592.5	1,684.2
Accounts payable	112.4	103.5
Accrued liabilities	105.0	124.0
Current portion of long-term debt	0.0	0.0
Total current liabilities	217.4	227.5
Long-term debt	75.9	127.5
Deferred income taxes	0.0	0.0
Intercompany accounts	1,161.1	1,180.1
Other liabilities	64.9	76.7
Total liabilities	1,519.3	1,611.8
Redeemable noncontrolling interest		0.0
Total Company shareholders’ equity	73.2	72.4
Noncontrolling interest	0.0	0.0
Total liabilities, redeemable noncontrolling interest and equity	1,592.5	1,684.2
Non-Guarantor Subsidiaries [Member]
Schedule of Financial Position [Line Items]
Cash and cash equivalents	100.1	111.6
Receivables, net of allowances	461.6	501.4
Inventories	404.8	478.7
Prepaid expenses and other	39.2	47.7
Total current assets	1,005.7	1,139.4
Property, plant and equipment, net	326.2	370.2
Deferred income taxes	20.4	30.9
Intercompany accounts	69.4	66.4
Investment in subsidiaries	0.0	0.0
Goodwill	6.4	8.4
Intangible assets, net	22.3	27.1
Unconsolidated affiliated companies	0.2	0.0
Other non-current assets	27.9	25.8
Total assets	1,478.5	1,668.2
Accounts payable	301.6	325.2
Accrued liabilities	221.2	217.3
Current portion of long-term debt	67.5	168.1
Total current liabilities	590.3	710.6
Long-term debt	22.9	15.5
Deferred income taxes	22.5	22.2
Intercompany accounts	105.4	103.6
Other liabilities	108.9	110.4
Total liabilities	850.0	962.3
Redeemable noncontrolling interest		18.2
Total Company shareholders’ equity	612.7	672.8
Noncontrolling interest	15.8	14.9
Total liabilities, redeemable noncontrolling interest and equity	$ 1,478.5	$ 1,668.2