v2.4.0.8

Debt - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended			6 Months Ended	0 Months Ended	6 Months Ended			3 Months Ended	6 Months Ended			6 Months Ended			3 Months Ended	6 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013	Jun. 30, 2014 9.625% Senior notes	Nov. 01, 2012 8.125% Senior notes	Jun. 30, 2014 8.125% Senior notes	Jun. 30, 2014 11.375% Senior notes	May 09, 2014 11.375% Senior notes	Jun. 30, 2014 Senior Loans [Member]	Jun. 30, 2014 Senior Loans [Member]	Apr. 09, 2014 Senior Loans [Member]	Mar. 31, 2014 Senior Loans [Member]	Jun. 30, 2014 Senior Secured Revolving Line Of Credit [Member]	Apr. 09, 2014 Senior Secured Revolving Line Of Credit [Member]	Mar. 31, 2014 Senior Secured Revolving Line Of Credit [Member]	Mar. 31, 2014 Swap	Jun. 30, 2014 Swap	Apr. 09, 2014 Swap	Jun. 30, 2014 Minimum [Member] Senior Loans [Member]	Jun. 30, 2014 Minimum [Member] Senior Secured Revolving Line Of Credit [Member]	Jun. 30, 2014 Maximum [Member] Senior Loans [Member]	Jun. 30, 2014 Maximum [Member] Senior Secured Revolving Line Of Credit [Member]
Debt Instrument [Line Items]
Fixed rate of interest																2.033%
Percentage variable rate of interest																1.50%
Derivative, Description of Variable Rate Basis																P3M
Derivative Liability, Fair Value, Gross Liability																		$ 1.6
Accumulated other comprehensive loss	(78.9)		(73.2)															1.0
Loss on Derivative Instruments, Pretax																	0.7
Debt Instrument, Face Amount				600.0		400.0	645.0	645.0			1,900.0	1,120.5
Line of Credit Facility, Maximum Borrowing Capacity														190.0	210.0
Gains (Losses) on Extinguishment of Debt	32.7	0					45.4
Gain (loss) on debt extinguishment - write-off of fair value adjustment							89.4
Gain (loss) on debt extinguishment - other costs							44.0
Debt issuance costs expensed	12.7
Fixed interest rate				9.625%		8.125%	11.375%
Debt Instrument, Maturity Date				Jun. 15, 2018		Jun. 15, 2018	Jun. 15, 2018			Apr. 09, 2021			Apr. 09, 2019
Offering Price					99.50%
PIK rate percentage on notes				10.375%		8.875%
Long-term Debt	2,903.5			600.0		398.5
Long term debt fair value				$ 632.7		$ 418.6
Debt Floor Interest Rate									1.00%	1.00%			1.00%
Debt Instrument, Basis Spread on Variable Rate																			2.75%	2.50%	3.00%	2.75%
Line of Credit Facility, Commitment Fee Percentage																				0.375%		0.50%
Principle Payment Quarterly Percent									0.25%
Percentage of Excess Cash Flows to Determine Principal Payment																			0.00%		50.00%

X

- Definition

Debt floor interest rate.

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- Definition

Debt instrument issue offering price percent.

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No definition available.

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- Definition

The portion of Debt issuance costs expensed for the period

+ References

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- Definition

Gain (loss) on debt extinguishment - other costs including redemption premium and fees

+ References

No definition available.

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- Definition

Gain (loss) on debt extinguishment - write-off of fair value adjustment

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No definition available.

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- Definition

Percentage of excess cash flows to determine principal payment.

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No definition available.

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- Definition

The Paid-in-Kind percentage rate applicable on the notes

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No definition available.

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- Definition

Principle payment quarterly percent.

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- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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X

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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- Definition

The reference rate for the variable rate of the interest rate derivative, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

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Fair value before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

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- Definition

Low end of the range of variable interest rates when a range is presented for a group of interest rate derivatives.

+ References

No definition available.

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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 fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

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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.

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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.

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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Aggregate loss on all derivative instruments charged against earnings during the period, before tax effects.

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