Common Stock Trading Days

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- Definition

Consecutive Trading Day Requirement Ending On Last Trading Day Of Prior Quarter

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No definition available.

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- Definition

Consecutive Trading Days Immediately Preceding But Excluding Declaration Date

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No definition available.

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- Definition

Convertible Subordinated Debt Initial Liability Component

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No definition available.

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- Definition

Convertible Subordinated Debt Repurchase Rate Upon Fundamental Change

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- Definition

Debt Instrument Convertible Conversion Ratio Basis Principal Amount

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No definition available.

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- Definition

Debt Instrument, Maturity, Month and Year

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No definition available.

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- Definition

Debt instrument maturity year

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- Definition

Extinguishment Of Debt Tender Offer Or Redemption Consideration

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No definition available.

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- Definition

Maximum Period In Which Distribution Is Made To All Holders Of Common Stock Rights Option Or Warrants

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No definition available.

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- Definition

Minimum Trading Day Requirement

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No definition available.

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- Definition

Percentage Threshold Closing Sale Price Of Common Stock Higher Than Conversion Price

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No definition available.

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- Definition

Percentage Threshold Convertible Notes Trading Price Less Than Common Stock Closing Sale Price

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No definition available.

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- Definition

Percentage Threshold That Distribution Per Share Value Exceeds Closing Sale Price Of Common Stock

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No definition available.

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- Definition

Adjustment to additional paid in capital resulting from the recognition of convertible debt instruments as two separate components - a debt component and an equity component. This bifurcation may result in a basis difference associated with the liability component that represents a temporary difference for purposes of applying accounting for income taxes. The initial recognition of deferred taxes for the tax effect of that temporary difference is as an adjustment to additional paid in capital.

+ References

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- Definition

Including the current and noncurrent portions, the carrying value of convertible subordinated debt, as of the balance sheet date, initially scheduled to be repaid after one year or beyond the normal operating cycle if longer. This form of debt can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder, and places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

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- Definition

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

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- Definition

The price per share of the conversion feature embedded in the debt instrument.

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- Definition

The ratio applied to the debt for purposes of determining the number of shares of the equity security into which the debt will be converted.

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- Definition

The effective interest rate on the liability component of convertible debt instrument which may be settled in cash upon conversion, including partial cash settlement.

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- Definition

Interest rate stated in the contractual debt agreement.

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- Definition

Gross amount of debt extinguished.

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No definition available.

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

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Increase for additional borrowings on the credit facility during the period.

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- Definition

The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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Debt - Additional Information (Detail) (USD $)	3 Months Ended	6 Months Ended	1 Months Ended					6 Months Ended
Debt - Additional Information (Detail) (USD $)	Jun. 30, 2013	Jun. 30, 2013	Jun. 30, 2013 Senior Subordinated Convertible Notes	May 31, 2013 8% Senior Notes Due 2016	Mar. 31, 2013 8% Senior Notes Due 2016	Jun. 30, 2013 8% Senior Notes Due 2016	Dec. 31, 2012 8% Senior Notes Due 2016	Jun. 30, 2013 Senior Secured Term Loan A Facility	Jun. 30, 2013 Senior Secured Term Loan A Facility Libor Plus	Jun. 30, 2013 Senior Secured Term Loan B Facility	Jun. 30, 2013 Senior Secured Term Loan B Facility Libor Plus
Debt Instrument [Line Items]
Private offering senior subordinated convertible notes, aggregate principal amount			$ 265,000,000
Interest rate of debt instrument			1.50%	8.00%		8.00%	8.00%
Debt instrument maturity year			2019	2016		2016	2016
Net proceeds after deducting fees and expenses			259,000,000
Conversion rate for common stock			17.1
Convertible note, conversion price per share			$ 58.46
Principal amount of convertible notes in to shares common stock			1,000
Convertible notes, repurchase rate			100.00%
Percentage by which closing sale price is more than current conversion price to be convertible			130.00%
Number of trading days			20 days
Number of consecutive trading days			30 days
Number of trading days			60 days
Number of consecutive trading days			10 days
Percentage that distribution has per share value exceeding closing sale price of common stock			10.00%
Percentage of closing sale price in excess of convertible notes			98.00%
Trading-day period			10 days
Convertible debt initial liability component			214,000,000
Convertible debt equity component			51,000,000
Effective interest rate			5.60%
Debt instrument repurchased aggregate principal amount				132,000,000	168,000,000
Debt instrument aggregate principal amount repurchased consideration				137,000,000	176,000,000
Borrowing under the credit facility								250,000,000
Debt instrument maturity year								2016-03		2018-03
Basis spread on variable rate									2.00%		2.50%
Loss on the extinguishment of debt	$ 8,800,000	$ 25,900,000