Beneficial ownership minimum percentage of our common stock.

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Class of Warrant or Right, Number of Rights Issued of Common Stock

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- Definition

Cumulative Aggregate Stock Repurchased Under Strategic Initiative Shares

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- Definition

Cumulative Aggregate Stock Repurchased Under Strategic Initiative Value

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Expiry date of right.

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No definition available.

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- Definition

Maximum Percentage Of Shares Repurchased Under Strategic Initiative

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No definition available.

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- Definition

Number of days after public announcement for ownership acquired.

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No definition available.

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- Definition

The preferred stock purchase right coupled pursuant to the shareholder rights plan.

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No definition available.

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- Definition

Redemption price of rights.

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No definition available.

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- Definition

Stockholders to purchase, conditions.

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No definition available.

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- Definition

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

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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

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section S99

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

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-Publisher SEC

-Name Regulation S-X (SX)

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-Section 08

-Paragraph i

-Subparagraph 2

-Article 4

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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)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iii)

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- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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No definition available.

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Capital Stock - (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2012	Dec. 31, 2013	Nov. 27, 2013	Feb. 26, 2013
Class of Stock [Line Items]
Number of shares repurchased	1,491,187
Value of share repurchased	$ 24,595	$ 1,409
Common Stock Repurchased Since Announcement Of Strategic Initiative	3,493,332
Value Of Common Stock Repurchased Since Announcement Of Strategic Initiative	54,159
Maximum percentage of shares repurchased under strategic initiative	20.00%
Maximum number of shares repurchased under strategic initiative	7,000,000
Stock Options [Member]
Class of Stock [Line Items]
Options to purchase shares of common stock	1,364,000
Weighted average exercise price	$ 21.86
Weighted average remaining contractual term	5 years
Aggregate intrinsic value	643		6,433
Former Affiliated Entity [Member] \| Stock Options [Member]
Class of Stock [Line Items]
Options to purchase shares of common stock	705,000
Weighted average exercise price	$ 26.15
Weighted average remaining contractual term	1 year
Aggregate intrinsic value	$ 30
6% Tangible Equity Units [Member]
Class of Stock [Line Items]
Interest rate percentage				6.00%
Convertible Debt [Member]
Class of Stock [Line Items]
Interest rate percentage					3.75%
Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock purchase right description	One-quarter of a preferred stock purchase right
Number of rights issued per share of common stock	0.25
Stockholders to purchase conditions description	One one-hundredth of a share of newly issued Series A Junior Participating Preferred Stock
Number of securities called by preferred stock purchase right	0.001
Preferred stock exercise price	$ 100
Minimum percentage of beneficial ownership to acquire exercisable rights	20.00%
Redemption price of rights	$ 0.001
Redemption time of rights	10 days
Expiry date of rights	Dec. 11, 2017