|
Debt (Details 1) (USD $)
In Millions, unless otherwise specified
|
3 Months Ended |
12 Months Ended |
|
Dec. 31, 2011
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Sep. 30, 2011
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Jun. 30, 2011
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Mar. 31, 2011
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Dec. 31, 2010
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Sep. 30, 2010
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Mar. 31, 2010
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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| Summary of Loss on Extinguishment of Debt |
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| Cash Paid in Loss on Extinguishment of Debt |
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$ 90.6 |
$ 30.5 |
$ 48.3 |
| Non-cash Loss on Extinguishment of Debt |
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|
120.2 |
130.3 |
85.8 |
| Loss on extinguishment of debt |
3.5 |
6.0 |
199.5 |
1.8 |
(9.1) |
(19.4) |
(132.3) |
210.8 |
160.8 |
134.1 |
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$600.0 million 7.125% senior notes due May 2016 [Member]
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| Summary of Loss on Extinguishment of Debt |
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| Principal Repaid |
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600.0 |
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| Cash Paid in Loss on Extinguishment of Debt |
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21.4 |
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| Non-cash Loss on Extinguishment of Debt |
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61.3 |
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| Loss on extinguishment of debt |
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82.7 |
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$99.5 million 9.250% debentures due May 2021 [Member]
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| Summary of Loss on Extinguishment of Debt |
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| Principal Repaid |
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64.2 |
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| Cash Paid in Loss on Extinguishment of Debt |
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24.2 |
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| Non-cash Loss on Extinguishment of Debt |
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3.8 |
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| Loss on extinguishment of debt |
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28.0 |
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$360.0 million 7.400% debentures due September 2035 [Member]
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| Summary of Loss on Extinguishment of Debt |
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| Principal Repaid |
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194.8 |
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| Cash Paid in Loss on Extinguishment of Debt |
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44.7 |
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| Non-cash Loss on Extinguishment of Debt |
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49.9 |
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| Loss on extinguishment of debt |
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94.6 |
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Amendments to Credit facilities [Member]
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| Summary of Loss on Extinguishment of Debt |
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| Non-cash Loss on Extinguishment of Debt |
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1.7 |
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| Loss on extinguishment of debt |
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1.7 |
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Ineffective portion of Interest rate lock settlements [Member]
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| Summary of Loss on Extinguishment of Debt |
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| Cash Paid in Loss on Extinguishment of Debt |
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0.3 |
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| Loss on extinguishment of debt |
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0.3 |
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Industrial revenue bonds [Member]
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| Summary of Loss on Extinguishment of Debt |
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| Cash Paid in Loss on Extinguishment of Debt |
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1.0 |
| Non-cash Loss on Extinguishment of Debt |
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28.5 |
1.4 |
| Loss on extinguishment of debt |
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28.5 |
2.4 |
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$425.0 million 6.125% senior notes due February 2014 [Member]
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| Summary of Loss on Extinguishment of Debt |
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| Principal Repaid |
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425.0 |
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| Cash Paid in Loss on Extinguishment of Debt |
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8.7 |
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| Non-cash Loss on Extinguishment of Debt |
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44.1 |
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| Loss on extinguishment of debt |
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52.8 |
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$600.0 million 7.250% senior notes due March 2015 [Member]
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| Summary of Loss on Extinguishment of Debt |
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| Principal Repaid |
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600.0 |
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| Cash Paid in Loss on Extinguishment of Debt |
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21.8 |
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| Non-cash Loss on Extinguishment of Debt |
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57.5 |
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| Loss on extinguishment of debt |
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79.3 |
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Accounts receivable securitization program [Member]
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| Summary of Loss on Extinguishment of Debt |
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| Principal Repaid |
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300.0 |
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| Non-cash Loss on Extinguishment of Debt |
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0.2 |
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| Loss on extinguishment of debt |
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0.2 |
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$350.0 million 6.500% senior notes due 2010 [Member]
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| Summary of Loss on Extinguishment of Debt |
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| Principal Repaid |
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128.4 |
| Cash Paid in Loss on Extinguishment of Debt |
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6.3 |
| Non-cash Loss on Extinguishment of Debt |
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3.7 |
| Loss on extinguishment of debt |
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10.0 |
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$400.0 million 5.750% senior notes due 2011 [Member]
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| Summary of Loss on Extinguishment of Debt |
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| Principal Repaid |
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137.1 |
| Cash Paid in Loss on Extinguishment of Debt |
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6.9 |
| Non-cash Loss on Extinguishment of Debt |
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6.6 |
| Loss on extinguishment of debt |
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13.5 |
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$275.0 million 6.375% senior notes due 2011 [Member]
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| Summary of Loss on Extinguishment of Debt |
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| Principal Repaid |
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58.1 |
| Cash Paid in Loss on Extinguishment of Debt |
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3.2 |
| Non-cash Loss on Extinguishment of Debt |
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2.5 |
| Loss on extinguishment of debt |
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5.7 |
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$450.0 million 6.750% senior notes due 2011 [Member]
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| Summary of Loss on Extinguishment of Debt |
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| Principal Repaid |
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63.0 |
| Cash Paid in Loss on Extinguishment of Debt |
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4.4 |
| Non-cash Loss on Extinguishment of Debt |
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0.2 |
| Loss on extinguishment of debt |
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4.6 |
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$450.0 million 7.875% senior notes due April 2013 [Member]
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| Summary of Loss on Extinguishment of Debt |
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| Principal Repaid |
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450.0 |
| Cash Paid in Loss on Extinguishment of Debt |
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11.8 |
| Non-cash Loss on Extinguishment of Debt |
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22.6 |
| Loss on extinguishment of debt |
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34.4 |
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$400.0 million of 7.375% senior notes due 2014 [Member]
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| Summary of Loss on Extinguishment of Debt |
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| Principal Repaid |
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400.0 |
| Cash Paid in Loss on Extinguishment of Debt |
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14.7 |
| Non-cash Loss on Extinguishment of Debt |
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31.4 |
| Loss on extinguishment of debt |
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46.1 |
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$230.0 million of 4.250% senior convertible note due 2034 [Member]
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| Summary of Loss on Extinguishment of Debt |
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| Principal Repaid |
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230.0 |
| Non-cash Loss on Extinguishment of Debt |
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17.4 |
| Loss on extinguishment of debt |
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17.4 |
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Industrial revenue bonds [Member]
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| Summary of Loss on Extinguishment of Debt |
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| Non-cash Loss on Extinguishment of Debt |
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3.5 |
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| Loss on extinguishment of debt |
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$ 3.5 |
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