Debt (Schedule Of Debt) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012		Dec. 31, 2011
Debt Instrument [Line Items]
Other, including capital leases	$ 29.1	[1]	$ 46.5	[1]
Total debt	3,755.3		3,660.5
Less: current portion	(346.8)		(243.7)
Long-term debt	3,408.5		3,416.8
5.625% Senior Notes Due January 15, 2012 [Member]
Debt Instrument [Line Items]
Senior notes			158.6
Interest rate	5.625%
Maturity date	Jan. 15, 2012
4.95% Senior Notes Due April 1, 2014 [Member]
Debt Instrument [Line Items]
Senior notes	258.0		599.5
Interest rate	4.95%
Maturity date	Apr. 01, 2014
5.50% Senior Notes Due May 15, 2015 [Member]
Debt Instrument [Line Items]
Senior notes	299.8		399.8
Interest rate	5.50%
Maturity date	May 15, 2015
8.60% Senior Notes Due August 15, 2016 [Member]
Debt Instrument [Line Items]
Senior notes	346.9		346.8
Interest rate	8.60%
Maturity date	Aug. 15, 2016
6.125% Senior Notes Due January 15, 2017 [Member]
Debt Instrument [Line Items]
Senior notes	523.0		522.9
Interest rate	6.125%
Maturity date	Jan. 15, 2017
7.25% Senior Notes Due May 15, 2018 [Member]
Debt Instrument [Line Items]
Senior notes	600.0		600.0
Interest rate	7.25%
Maturity date	May 15, 2018
11.25% Senior Notes Due February 1, 2019 [Member]
Debt Instrument [Line Items]
Senior notes	172.2	[2]	172.2	[2]
Interest rate	11.25%
Maturity date	Feb. 01, 2019
8.25% Senior Notes Due March 15, 2019 [Member]
Debt Instrument [Line Items]
Senior notes	450.0
Interest rate	8.25%
Maturity date	Mar. 15, 2019
7.625% Senior Notes Due June 15, 2020 [Member]
Debt Instrument [Line Items]
Senior notes	400.0		400.0
Interest rate	7.625%
Maturity date	Jun. 15, 2020
8.875% Debentures Due April 15, 2021 [Member]
Debt Instrument [Line Items]
Debentures	80.9		80.9
Interest rate	8.875%
Maturity date	Apr. 15, 2021
6.625% Debentures Due April 15, 2029 [Member]
Debt Instrument [Line Items]
Debentures	199.4		199.3
Interest rate	6.625%
Maturity date	Apr. 15, 2029
8.820% Debentures Due April 15, 2031 [Member]
Debt Instrument [Line Items]
Debentures	69.0		69.0
Interest rate	8.82%
Maturity date	Apr. 15, 2031
Revised Interest Rate Stated Percentage [Member]
Debt Instrument [Line Items]
Interest rate	11.75%
Credit Agreement [Member]
Debt Instrument [Line Items]
Credit facility borrowings	$ 327.0		$ 65.0

[1] Other includes miscellaneous debt obligations, capital leases and the fair value adjustment to the Company's 4.95% senior notes due April 1, 2014 and 8.25% senior notes due March 15, 2019 related to the Company's fair value hedges.

[2] On May 17, 2011, the interest rate on the 11.25% senior notes due February 1, 2019 was increased to 11.75%, as a result of downgrades in the ratings of the notes by the rating agencies.