Condensed Consolidating Financial Data (Condensed Consolidating Statements Of Cash Flows) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	$ (147.4)	$ (167.3)
Net change in short-term debt	88.9	6.1
Proceeds (payments) from (to) intercompany transactions
Proceeds from issuance of long-term debt	300.2	1,025.0
Payments on long-term debt	(113.1)	(1,086.9)
Issuance (repurchase) of common stock, net	(435.3)	(32.3)
Dividends paid	(7.5)	(7.3)
Other	2.4	(10.2)
Net cash used in financing activities	(164.4)	(105.6)
Additions to property, plant and equipment	(23.3)	(27.0)
Other		1.0
Net cash used in investing activities	(23.3)	(26.0)
Effect of exchange rate changes on cash	8.0	9.1
Net increase (decrease) in cash and cash equivalents	(327.1)	(289.8)
Cash and cash equivalents at beginning of period	808.3	695.4
Cash and cash equivalents at end of period	481.2	405.6
Parent [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	(52.0)	(143.0)
Proceeds (payments) from (to) intercompany transactions	20.2	31.9
Proceeds from issuance of long-term debt	300.0	1,025.0
Payments on long-term debt	(110.1)	(1,086.9)
Issuance (repurchase) of common stock, net	(435.3)	(32.3)
Dividends paid	(7.5)	(7.3)
Other	2.4	(10.2)
Net cash used in financing activities	(230.3)	(79.8)
Additions to property, plant and equipment	(2.7)	(0.3)
Other
Net cash used in investing activities	(2.7)	(0.3)
Net increase (decrease) in cash and cash equivalents	(285.0)	(223.1)
Cash and cash equivalents at beginning of period	335.4	287.1
Cash and cash equivalents at end of period	50.4	64.0
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	31.3	127.6
Proceeds (payments) from (to) intercompany transactions	(41.9)	(103.6)
Proceeds from issuance of long-term debt	0.2
Payments on long-term debt	(0.1)
Net cash used in financing activities	(41.8)	(103.6)
Additions to property, plant and equipment	(12.8)	(23.0)
Other	1.0	1.0
Net cash used in investing activities	(11.8)	(22.0)
Net increase (decrease) in cash and cash equivalents	(22.3)	2.0
Cash and cash equivalents at beginning of period	23.8	15.5
Cash and cash equivalents at end of period	1.5	17.5
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	(126.7)	(151.9)
Net change in short-term debt	88.9	6.1
Proceeds (payments) from (to) intercompany transactions	21.7	71.7
Payments on long-term debt	(2.9)
Net cash used in financing activities	107.7	77.8
Additions to property, plant and equipment	(7.8)	(3.7)
Other	(1.0)
Net cash used in investing activities	(8.8)	(3.7)
Effect of exchange rate changes on cash	8.0	9.1
Net increase (decrease) in cash and cash equivalents	(19.8)	(68.7)
Cash and cash equivalents at beginning of period	449.1	392.8
Cash and cash equivalents at end of period	$ 429.3	$ 324.1