Condensed Consolidating Financial Information (Condensed Consolidating Statements of Cash Flows) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Condensed Financial Statements, Captions [Line Items]
Net cash provided (used) by operating activities	$ 194.5	$ (7.5)	$ 61.8
Investing activities
Additions to property, plant and equipment	(36.6)	(30.3)	(13.5)
Payments for (proceeds from) interest in affiliates	0
Assets acquired	0	0	(1.4)
Payments (proceeds) related to the sale of discontinued operations	(1.5)	1.5	53.5
Proceeds from the disposition of assets	6.1	3.1	1.4
Cost of acquisition, net of cash acquired	(1.3)	(397.5)	0
Net cash (used) provided by investing activities	(33.3)	(423.2)	40.0
Financing activities
Intercompany financing	0	0	0
Net dividends	0	0	0
Proceeds from long-term borrowings	530.0	1,270.0	0.1
Repayments of long-term debt	(679.5)	(872.0)	(63.0)
(Repayments) borrowings of short-term debt, net	(0.7)	1.2	0
Cost of debt issuance	(4.3)	(38.5)	0
Other	(1.0)	(0.6)	(0.2)
Net cash (used) provided by financing activities	(155.5)	360.1	(63.1)
Effect of foreign exchange rate changes on cash and cash equivalents	(2.2)	(0.6)	(0.7)
Net increase (decrease) in cash and cash equivalents	3.5	(71.2)	38.0
Cash and cash equivalents:
Beginning of period	50.0	121.2	83.2
End of period	53.5	50.0	121.2
Parent
Condensed Financial Statements, Captions [Line Items]
Net cash provided (used) by operating activities	(81.7)	(156.0)	(95.5)
Investing activities
Additions to property, plant and equipment	0	0	0
Payments for (proceeds from) interest in affiliates	0
Assets acquired			0
Payments (proceeds) related to the sale of discontinued operations	0	0	0
Proceeds from the disposition of assets	0	0	0
Cost of acquisition, net of cash acquired	0	(429.5)
Net cash (used) provided by investing activities	0	(429.5)	0
Financing activities
Intercompany financing	143.8	775.6	111.9
Net dividends	65.7	53.3	69.2
Proceeds from long-term borrowings	530.0	545.0	0
Repayments of long-term debt	(658.1)	(816.2)	(62.9)
(Repayments) borrowings of short-term debt, net	0.5	0
Cost of debt issuance	(4.3)	(21.5)
Other	(1.0)	(0.6)	(0.2)
Net cash (used) provided by financing activities	76.6	535.6	118.0
Effect of foreign exchange rate changes on cash and cash equivalents	0	0	0
Net increase (decrease) in cash and cash equivalents	(5.1)	(49.9)	22.5
Cash and cash equivalents:
Beginning of period	12.1	62.0	39.5
End of period	7.0	12.1	62.0
Guarantors
Condensed Financial Statements, Captions [Line Items]
Net cash provided (used) by operating activities	186.5	137.5	66.6
Investing activities
Additions to property, plant and equipment	(21.2)	(22.4)	(6.6)
Payments for (proceeds from) interest in affiliates	55.6
Assets acquired			(0.6)
Payments (proceeds) related to the sale of discontinued operations	(1.5)	2.1	0.4
Proceeds from the disposition of assets	0	0	0
Cost of acquisition, net of cash acquired	(1.3)	0
Net cash (used) provided by investing activities	31.6	(20.3)	(6.8)
Financing activities
Intercompany financing	(168.2)	(777.4)	(94.8)
Net dividends	(45.9)	27.3	34.3
Proceeds from long-term borrowings	0	690.0	0
Repayments of long-term debt	0	(42.8)	(0.1)
(Repayments) borrowings of short-term debt, net	0	0
Cost of debt issuance	0	(16.1)
Other	0	0	0
Net cash (used) provided by financing activities	(214.1)	(119.0)	(60.6)
Effect of foreign exchange rate changes on cash and cash equivalents	0	0	0
Net increase (decrease) in cash and cash equivalents	4.0	(1.8)	(0.8)
Cash and cash equivalents:
Beginning of period	(3.0)	(1.2)	(0.4)
End of period	1.0	(3.0)	(1.2)
Non-Guarantors
Condensed Financial Statements, Captions [Line Items]
Net cash provided (used) by operating activities	89.7	11.0	90.7
Investing activities
Additions to property, plant and equipment	(15.4)	(7.9)	(6.9)
Payments for (proceeds from) interest in affiliates	(55.6)
Assets acquired			(0.8)
Payments (proceeds) related to the sale of discontinued operations	0	(0.6)	53.1
Proceeds from the disposition of assets	6.1	3.1	1.4
Cost of acquisition, net of cash acquired	0	32.0
Net cash (used) provided by investing activities	(64.9)	26.6	46.8
Financing activities
Intercompany financing	24.4	1.8	(17.1)
Net dividends	(19.8)	(80.6)	(103.5)
Proceeds from long-term borrowings	0	35.0	0.1
Repayments of long-term debt	(21.4)	(13.0)	0
(Repayments) borrowings of short-term debt, net	(1.2)	1.2
Cost of debt issuance	0	(0.9)
Other	0	0	0
Net cash (used) provided by financing activities	(18.0)	(56.5)	(120.5)
Effect of foreign exchange rate changes on cash and cash equivalents	(2.2)	(0.6)	(0.7)
Net increase (decrease) in cash and cash equivalents	4.6	(19.5)	16.3
Cash and cash equivalents:
Beginning of period	40.9	60.4	44.1
End of period	$ 45.5	$ 40.9	$ 60.4