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The amount of cash drawn on the Company's revolving line of credit.

+ References

No definition available.

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- Definition

Par value of debt instrument issued plus or minus a premium or a discount.

+ References

No definition available.

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- Definition

The amount of cash received from a Senior Notes isssuance and invested in short-term interest-bearing instruments.

+ References

No definition available.

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- Definition

The amount of cash received from a Senior Notes isssuance and ultimately used to reduce principal amounts of the Company's other debt instruments.

+ References

No definition available.

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- Definition

Gross principal amount of Senior Notes extinguished.

+ References

No definition available.

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- Definition

The amount of cash received by the Company from a debt issuance of Senior Notes to the public.

+ References

No definition available.

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- Definition

Price expressed as a percentage of principal amount at which the Company may redeem its senior notes during a specific time period in the future.

+ References

No definition available.

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- Definition

Amounts drawn on term loan facility.

+ References

No definition available.

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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

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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-Article 5

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Glossary Financing Activities

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- Definition

Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders.

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-Name Regulation S-X (SX)

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-Section 02

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Long-term Debt - Textual (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				0 Months Ended	1 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Jun. 30, 2015	Dec. 31, 2014	Apr. 10, 2015	Jan. 31, 2015	Mar. 31, 2015
Long Term Debt (Textual) [ Abstract]
Loss on extinguishment of debt	$ 1.2	$ 0
Repayments of Long-term Debt	252.9us-gaap_RepaymentsOfLongTermDebt	1.3us-gaap_RepaymentsOfLongTermDebt
Subsequent Event [Member]
Long Term Debt (Textual) [ Abstract]
Loss on extinguishment of debt			19.0
Term Loan Facilities [Member]
Long Term Debt (Textual) [ Abstract]
Term loan facility, draw				375
Revolving Credit Facility [Member]
Long Term Debt (Textual) [ Abstract]
Revolver, Amounts Drawn				325
8.125% Senior Notes Due 2020 [Member]
Long Term Debt (Textual) [ Abstract]
Senior Notes, Noncurrent	160						160
Debt Instrument, Interest Rate, Stated Percentage	8.125%						8.125%
8.125% Senior Notes Due 2020 [Member] \| Subsequent Event [Member]
Long Term Debt (Textual) [ Abstract]
Senior Note, redemption price					104.063%
Repayments of Long-term Debt					302.0
Senior Notes, Principal Extinguished					290
7.75% Senior Notes Due 2022 [Member]
Long Term Debt (Textual) [ Abstract]
Debt Instrument, Interest Rate, Stated Percentage	7.75%						7.75%
5.75% Senior Notes Due 2024 [Member]
Long Term Debt (Textual) [ Abstract]
Debt issuance, face amount						400
Senior Note, issue price						102.00%
Senior Notes Issuance, Proceeds Used For Debt Reduction						250
Debt Instrument, Interest Rate, Stated Percentage	5.75%						5.75%
5.125% Senior Notes Due 2023 [Member]
Long Term Debt (Textual) [ Abstract]
Debt issuance, face amount	300						300
Senior Note, issue price	100.00%						100.00%
Senior Notes, proceeds from public offering	295						295
Senior Notes Issuance, Proceeds Invested							$ 135
Debt Instrument, Interest Rate, Stated Percentage	5.125%						5.125%
2.00% Convertible Senior Subordinated Notes due 2043 [Member]
Long Term Debt (Textual) [ Abstract]
Debt Instrument, Interest Rate, Stated Percentage	2.00%						2.00%