Long-term Debt (Details) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Schedule of Outstanding Long-term Debt
Advances Under $500 Million Revolving Credit Facility	$ 140.0	$ 78.0
Term Loan Facility	100.0	0
Other Notes Payable	36.1	36.4
Capital Lease Obligations	82.2	89.1
Total Long-term Debt	1,458.2	1,511.3
Less: Current Portion	(18.4)	(14.5)
Long-term Debt, Net of Current Portion	1,440.1	1,496.8
Schedule of Debt Maturities
Total	1,458.2	1,511.3
10.75% Senior Notes due 2016 [Member]
Schedule of Outstanding Long-term Debt
Bonds Payable	164.0	495.5
7.25% Senior Notes due 2018 [Member]
Schedule of Outstanding Long-term Debt
Bonds Payable	336.8	275.0
8.125% Senior Notes due 2020 [Member]
Schedule of Outstanding Long-term Debt
Bonds Payable	285.6	285.5
7.75% Senior Notes due 2022 [Member]
Schedule of Outstanding Long-term Debt
Bonds Payable	312.0	250.0
Other Bond Payable [Member]
Schedule of Outstanding Long-term Debt
Bonds Payable	1.8	1.8
Face Amount [Member]
Schedule of Outstanding Long-term Debt
Total Long-term Debt	1,460.5
Schedule of Debt Maturities
July 1 through December 31, 2011	9.3
2012	19.3
2013	18.1
2014	16.7
2015	17.3
2016	379.8
Thereafter	1,000.0
Total	1,460.5
Net amount [Member]
Schedule of Outstanding Long-term Debt
Total Long-term Debt	1,458.5
Schedule of Debt Maturities
July 1 through December 31, 2011	9.3
2012	19.3
2013	18.1
2014	16.7
2015	17.3
2016	378.3
Thereafter	999.5
Total	$ 1,458.5

Long Term Debt Maturities Repayments Of Principal In Remaining Of Current Year.

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- Definition

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 7

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 20, 22
-Article 5

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of loans from a bank with maturities initially due after one year or beyond the normal operating cycle if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 20, 22
-Article 5

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Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date. May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 7

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 9

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20, 22
-Article 5

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- Definition

Sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer plus capital lease obligations due to be paid more than one year after the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section H

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- Definition

Obligation related to long-term debt (excluding convertible debt) and capital leases, the portion which is due in one year or less in the future.

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- Definition

Amount of long-term debt maturities after year five following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates.

+ References