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Deduction from net income in calculating net income available to common stockholders and earnings per share available to common stockholders as a result of agreements with the note hedge counterparties associated with the convertible notes to reduce the number of options or warrants outstanding.

+ References

No definition available.

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- Definition

Number of note hedge counterparties to the Convertible Notes that modified their related warrant agreements with the Company.

+ References

No definition available.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

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-Publisher FASB

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-Glossary Diluted Earnings Per Share

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Contingent Stock Agreement

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

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-Subparagraph (SX 210.4-08.(i)(2))

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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-Paragraph i

-Subparagraph 2

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- Definition

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

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-Publisher SEC

-Name Regulation S-X (SX)

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-Section 02

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

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-Publisher SEC

-Name Regulation S-X (SX)

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-Subparagraph (SX 210.5-02.22(a)(2))

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Income Per Share - Additional Information (Detail) (USD $) In Thousands, except Share data in Millions, unless otherwise specified	2 Months Ended	3 Months Ended		9 Months Ended			12 Months Ended
	Jun. 30, 2014 Note	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 3.75% Convertible Senior Notes [Member]	Dec. 31, 2013 3.75% Convertible Senior Notes [Member]
Earnings Per Share [Line Items]
Stock-based compensation awards outstanding		0	0.2	0	0.1
Interest						3.75%	3.75%
Maturity date for Notes						Oct. 01, 2014	Oct. 01, 2014
Approximate number of common stock share which can be purchased under warrants		7.2		7.2
Adjusted strike price under warrant		$ 25.01		$ 25.01
Loss on call spread modification related to convertible notes				$ 4,952	$ 4,869
Number of note hedge counterparties With Modification Agreements	2