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Long-Term Debt Long-term Debt Instruments (Details) (USD $) | 12 Months Ended |  |  | 12 Months Ended |  | 3 Months Ended | 12 Months Ended |  |  |  | 12 Months Ended |  |  | 12 Months Ended |  |  |  |  | 12 Months Ended |  | 12 Months Ended |  |  |  |  |  | 6 Months Ended |  | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 Revolving Credit Facility [Member] | Dec. 31, 2012 Revolving Credit Facility [Member] | Dec. 31, 2011 Revolving Credit Facility [Member] | Dec. 31, 2013 Secured Debt [Member] Loans Payable [Member] | Dec. 31, 2012 Secured Debt [Member] Loans Payable [Member] | Dec. 31, 2013 Secured Debt [Member] 9.25% Notes [Member] | Dec. 31, 2012 Secured Debt [Member] 9.25% Notes [Member] | Dec. 31, 2011 Secured Debt [Member] 9.25% Notes [Member] | Dec. 10, 2009 Secured Debt [Member] 9.25% Notes [Member] | Dec. 31, 2013 Unsecured Debt [Member] 7.875% Notes [Member] | Dec. 31, 2013 Unsecured Debt [Member] 7.875% Notes [Member] | Mar. 01, 2013 Unsecured Debt [Member] 7.875% Notes [Member] | Dec. 31, 2012 Unsecured Debt [Member] 7.875% Notes [Member] | Feb. 27, 2007 Unsecured Debt [Member] 7.875% Notes [Member] | Dec. 31, 2012 Unsecured Debt [Member] 7.75% Notes [Member] | Dec. 31, 2013 Unsecured Debt [Member] 7.75% Notes [Member] | Nov. 03, 2011 Unsecured Debt [Member] 7.75% Notes [Member] | Dec. 31, 2013 Unsecured Debt [Member] 6.625% Notes [Member] | Dec. 31, 2012 Unsecured Debt [Member] 6.625% Notes [Member] | Sep. 17, 2012 Unsecured Debt [Member] 6.625% Notes [Member] | Dec. 31, 2013 Unsecured Debt [Member] 5.25% Notes [Member] | Sep. 18, 2012 Unsecured Debt [Member] 5.25% Notes [Member] | Dec. 31, 2013 Unsecured Debt [Member] 6.25% Notes [Member] | Dec. 31, 2012 Unsecured Debt [Member] 6.25% Notes [Member] | Dec. 31, 2013 Unsecured Debt [Member] 5.125% Notes [Member] | Dec. 31, 2012 Unsecured Debt [Member] 5.125% Notes [Member] | Dec. 31, 2013 Foreign Credit Facilities [Member] | Dec. 31, 2012 Foreign Credit Facilities [Member] | Dec. 31, 2013 Capital Lease Obligations [Member] | Dec. 31, 2012 Capital Lease Obligations [Member] | Jun. 30, 2013 Class C [Member] Revolving Credit Facility [Member] | Mar. 20, 2013 Class C [Member] Revolving Credit Facility [Member] | Dec. 31, 2013 Debt Repurchase [Member] Unsecured Debt [Member] 7.875% Notes [Member] | Dec. 31, 2013 Debt Redemption [Member] Unsecured Debt [Member] 7.875% Notes [Member]
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, amount outstanding |  |  |  | $ 0 | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 53,800,000 | $ 61,000,000 |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  | 150,000,000 | 0 | 0 | 337,500,000 |  |  | 0 | 0 | 300,000,000 | 300,000,000 |  | 200,000,000 | 200,000,000 |  | 550,000,000 | 550,000,000 |  |  |  | 400,000,000 | 0 | 200,000,000 | 0 |  |  |  |  |  |  |  |
Capital lease obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,300,000 | 5,600,000 |  |  |  |
Long-term debt and capital lease obligations | 1,559,100,000 | 1,454,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amended revolving facility, maximum borrowing capacity |  |  |  | 523,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amended revolving facility, remaining borrowing capacity |  |  |  | 501,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amended revolving facility, standby letters of credit issued against the facility |  |  |  | 21,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase in Amended Revolving Facility aggregate commitments |  |  |  | 158,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt issuance costs | 16,700,000 | 10,600,000 | 10,900,000 | 6,900,000 | 1,700,000 | 5,900,000 |  |  |  |  |  |  |  |  |  |  |  | 5,000,000 |  |  | 0 |  |  |  |  | 6,600,000 |  | 3,100,000 |  |  |  |  |  |  |  |  |
Amended Revolving Facility, interest rate description | Borrowings under the Amended Revolving Facility and Term Facility bear interest at rates based on adjusted LIBOR or an alternate base rate, plus an applicable margin. The applicable margin for LIBOR-based loans will be between 1.5% and 3.0%. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, reduction in borrowing capacity, termination of loan facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 72,800,000 |  |
Write off of deferred debt issuance cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 500,000 |  |  |
Debt instrument, face amount |  |  |  |  |  |  |  |  |  |  |  | 425,000,000 |  |  |  |  | 300,000,000 |  |  | 200,000,000 |  |  | 550,000,000 |  | 250.0 |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  |  |  |  |  |  |  | 9.25% |  |  |  | 7.875% | 7.875% |  |  |  |  | 7.75% |  | 6.625% |  |  | 0.00% |  | 6.25% |  | 5.125% |  |  |  |  |  |  |  |  |
Debt instrument, original discount amount |  |  |  |  |  |  |  |  |  |  |  | 5,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
9.25% Notes, percentage redeemed |  |  |  |  |  |  |  |  |  | 10.00% | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
9.25% Notes, premium percentage applicable to voluntary redemption during the period |  |  |  |  |  |  |  |  |  | 103.00% | 103.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of long-term debt | 652,000,000 | 299,100,000 | 56,000,000 |  |  |  |  |  | 340,000,000 | 42,500,000 | 42,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, early redemption premium |  |  |  |  |  |  |  |  | 18,900,000 | 1,300,000 |  |  |  | 3,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt refinancing and redemption costs | 36,800,000 | 19,800,000 | 3,100,000 |  |  |  |  |  | 6,700,000 | 1,000,000 | 1,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,200,000 | 900,000
Debt instrument, decrease, repayments |  |  |  |  |  |  |  |  | 42,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, redemption amount |  |  |  |  |  |  |  |  | 190,000,000 |  |  |  |  | 127,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, tender premium |  |  |  |  |  |  |  |  |  |  |  |  | 5,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, tender offer, fees |  |  |  |  |  |  |  |  |  |  |  |  |  | 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, repurchased face amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 172,600,000 |  |  |  |  |  |  |  |  |  | 137,800,000 |  |  |  |  |  |  |  |  |  |  |  |
Foreign credit facilities, remaining borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 56,700,000 |  |  |  |  |  |  |
Interest expense | 115,900,000 | 101,600,000 | 83,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest costs, capitalized during period | 6,600,000 | 8,200,000 | 8,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, weighted average interest rate | 6.30% | 7.90% | 8.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8.90% |  |  |  |  |
Interest payable, current | 19,900,000 | 35,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment income | 600,000 | 600,000 | 1,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
9.25% Senior Secured Notes, Amount Paid for Redemption Premium During the Period |  |  |  |  |  |  |  |  |  |  | $ 1,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Represents the percentage redeemed of the original outstanding amount of our 9.25% Notes. + References No definition available. + Details
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- Definition Represents the amount paid for the redemption premium associated with the voluntary redemption of a portion of the 9.25% Senior Secured Notes during the period. + References No definition available. + Details
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- Definition Represents the redemption premium associated with the voluntary redemption of a portion of the 9.25% Senior Secured Notes during the period. + References No definition available. + Details
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- Definition Represents the premium paid in association with the early redemption of notes payable. + References No definition available. + Details
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- Definition Represents the original amount of the discount associated with the issuance of long-term notes. + References No definition available. + Details
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- Definition Face (par) amount of the original debt instrument that was redeemed. + References No definition available. + Details
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- Definition Represents expense recorded during the period for professional and underwriting fees related to a cash tender offer to purchase outstanding notes. + References No definition available. + Details
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- Definition Represents the amount of expense recorded during the period for a tender premium related to a cash tender offer for outstanding notes. + References No definition available. + Details
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- Definition Represents the increase in the aggregate commitments associated with the Revolving Credit Facility due to amendments to the facility during the period. + References No definition available. + Details
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- Definition Represents a reduction in maximum borrowing capacity associated with a line of credit facility due to the termination of one or more tranches within the line of credit facility. + References No definition available. + Details
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- Definition The amount of deferred financing costs and debt discounts related to a debt refinancing and/or redemption that were written off during the period, including early redemption premiums and fees. + References No definition available. + Details
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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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + 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 FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Face (par) amount of the original debt instrument that was repurchased. + References No definition available. + Details
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- Definition Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Subparagraph b -Article 5 + Details
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- Definition Amount of interest capitalized during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Allowance for Funds Used during Construction -URI http://asc.fasb.org/extlink&oid=6504829 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 + Details
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- Definition Amount of the cost of borrowed funds accounted for as interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.9) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 9 -Article 9 + Details
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- Definition Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within 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 20 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Current Liabilities -URI http://asc.fasb.org/extlink&oid=6509677 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6935-107765 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e7018-107765 + Details
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- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7(b)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Definition Amount borrowed under the credit facility as of 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 19, 22 -Article 5 + Details
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- Definition Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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