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Long-Term Debt (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended |  |  |  |  | 3 Months Ended |  | 12 Months Ended |  | 3 Months Ended |  | 3 Months Ended |  |  |  |  |  |  |  |  |  |  |  | 3 Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |
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Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013 | Mar. 31, 2014 Revolving Credit Facility [Member] | Dec. 31, 2013 Revolving Credit Facility [Member] | Mar. 31, 2014 Revolving Credit Facility [Member] | Mar. 31, 2014 Secured Debt [Member] Loans Payable [Member] | Dec. 31, 2013 Secured Debt [Member] Loans Payable [Member] | Dec. 31, 2013 Secured Debt [Member] 9.25% Notes [Member] | Mar. 31, 2014 Secured Debt [Member] 9.25% Notes [Member] | Mar. 31, 2014 Unsecured Debt [Member] 5.125% Notes [Member] | Dec. 31, 2013 Unsecured Debt [Member] 5.125% Notes [Member] | Mar. 31, 2013 Unsecured Debt [Member] 7.875% Notes [Member] | Mar. 31, 2014 Unsecured Debt [Member] 7.875% Notes [Member] | Mar. 31, 2014 Unsecured Debt [Member] 7.75% Notes [Member] | Dec. 31, 2013 Unsecured Debt [Member] 7.75% Notes [Member] | Mar. 31, 2014 Unsecured Debt [Member] 6.625% Notes [Member] | Dec. 31, 2013 Unsecured Debt [Member] 6.625% Notes [Member] | Mar. 31, 2014 Unsecured Debt [Member] 6.25% Notes [Member] | Dec. 31, 2013 Unsecured Debt [Member] 6.25% Notes [Member] | Mar. 31, 2013 Unsecured Debt [Member] 6.25% Notes [Member] | Mar. 31, 2014 Foreign Credit Facilities [Member] | Dec. 31, 2013 Foreign Credit Facilities [Member] | Mar. 31, 2014 Capital Lease Obligations [Member] | Dec. 31, 2013 Capital Lease Obligations [Member] | Mar. 31, 2013 Class C [Member] Revolving Credit Facility [Member] | Mar. 20, 2013 Class C [Member] Revolving Credit Facility [Member] | Mar. 31, 2014 Fair Value, Inputs, Level 2 [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] Revolving Credit Facility [Member] | Dec. 31, 2013 Fair Value, Inputs, Level 2 [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] Revolving Credit Facility [Member] | Mar. 31, 2014 Fair Value, Inputs, Level 2 [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] Loans Payable [Member] | Dec. 31, 2013 Fair Value, Inputs, Level 2 [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] Loans Payable [Member] | Mar. 31, 2014 Fair Value, Inputs, Level 2 [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] 5.125% Notes [Member] | Dec. 31, 2013 Fair Value, Inputs, Level 2 [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] 5.125% Notes [Member] | Mar. 31, 2014 Fair Value, Inputs, Level 2 [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] 7.75% Notes [Member] | Dec. 31, 2013 Fair Value, Inputs, Level 2 [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] 7.75% Notes [Member] | Mar. 31, 2014 Fair Value, Inputs, Level 2 [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] 6.625% Notes [Member] | Dec. 31, 2013 Fair Value, Inputs, Level 2 [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] 6.625% Notes [Member] | Mar. 31, 2014 Fair Value, Inputs, Level 2 [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] 6.25% Notes [Member] | Dec. 31, 2013 Fair Value, Inputs, Level 2 [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] 6.25% Notes [Member]
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  | $ 0 | $ 0 |  | $ 148.1 | $ 150.0 |  |  | $ 200.0 | $ 200.0 |  |  | $ 200.0 | $ 200.0 | $ 550.0 | $ 550.0 | $ 400.0 | $ 400.0 | $ 400.0 | $ 75.1 | $ 53.8 | $ 5.2 | $ 5.3 |  |  | $ 0 | $ 0 | $ 148.1 | $ 150.0 | $ 200.0 | $ 200.0 | $ 200.0 | $ 200.0 | $ 550.0 | $ 550.0 | $ 400.0 | $ 400.0
Long-term debt | 1,578.4 |  | 1,559.1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  |  |  | 523.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, remaining borrowing capacity |  |  |  |  |  | 501.7 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, standby letters of credit issued against the facility |  |  |  |  |  | 21.8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, periodic payment, principal |  |  |  |  |  |  | 1.9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, reduction in borrowing capacity, termination of loan facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 72.8 |  |  |  |  |  |  |  |  |  |  |  |
Write off of deferred debt issuance cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.5 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  |  |  |  |  |  |  |  | 9.25% | 5.125% |  |  | 7.875% | 7.75% |  | 6.625% |  | 6.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, redemption amount |  |  |  |  |  |  |  |  | 190.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments of debt issuance costs | 0.2 | 6.2 |  |  |  |  |  |  |  |  | 0.2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, decrease, repayments |  |  |  |  |  |  |  |  |  |  |  |  | 300.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, tender and redemption premiums |  |  |  |  |  |  |  |  |  |  |  |  | 8.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, tender offer, fees |  |  |  |  |  |  |  |  |  |  |  |  | 0.2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other expense - Debt refinancing and redemption costs | 0 | 11.3 |  |  |  |  |  |  |  |  |  |  | 2.1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, unused borrowing capacity, amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 19.8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, weighted average interest rate | 6.30% |  | 6.30% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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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 the amount of premiums associated with the purchase and redemption of long-term debt. + 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 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 total standby letters of credit issued against the revolving credit facility at the reporting date, which represents a reduction of the available borrowing capacity. + 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 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 Amount of the required periodic payments applied to principal. + 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) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + 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 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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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + 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 Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + 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 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Amount of long-term debt and capital lease obligation 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 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) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section H + Details
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- Definition Weighted average interest rate of long-term debt outstanding. + References No definition available. + Details
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- Definition The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations. + References No definition available. + Details
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- Definition Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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