Debt (Schedule Of Debt) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010
Debt Instrument [Line Items]
Credit facility borrowings	$ 82.2		$ 129.1
Other, including capital leases	46.5	[1]	35.5	[1]
Total debt	3,660.5		3,530.0
Less: current portion	(243.7)		(131.4)
Long-term debt	3,416.8		3,398.6
5.625% Senior Notes Due January 15, 2012 [Member]
Debt Instrument [Line Items]
Senior notes	158.6		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	599.5		599.2
Interest rate	4.95%
Maturity date	Apr. 01, 2014
5.50% Senior Notes Due May 15, 2015 [Member]
Debt Instrument [Line Items]
Senior notes	399.8		499.6
Interest rate	5.50%
Maturity date	May 15, 2015
8.60% Senior Notes Due August 15, 2016 [Member]
Debt Instrument [Line Items]
Senior notes	346.8		346.0
Interest rate	8.60%
Maturity date	Aug. 15, 2016
6.125% Senior Notes Due January 15, 2017 [Member]
Debt Instrument [Line Items]
Senior notes	522.9		622.0
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
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]	400.0	[2]
Interest rate	11.25%
Maturity date	Feb. 01, 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	199.3		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		68.9
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	$ 65.0		$ 120.0

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

[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.