No definition available.

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- Definition

The cash outflow to reacquire common stock during the period.

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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

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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.

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- Definition

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

Total cost of shares repurchased divided by the total number of shares repurchased.

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Earnings Per Share (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jul. 28, 2016	Feb. 10, 2016	Dec. 31, 2015
Earnings Per Share [Line Items]
Stock Repurchased During Period, Shares	4,003,352
Treasury Stock Acquired, Average Cost Per Share	$ 23.77
Payments for Repurchase of Common Stock	$ 92,958	$ 3,169
Share Repurchase Program [Member]
Earnings Per Share [Line Items]
Stock Repurchased During Period, Shares	3,965,669
Stock Repurchase Program, Authorized Amount				$ 142,500	$ 67,500
Payments for Repurchase of Common Stock	$ 94,300
Share Repurchase Program [Member] \| Subsequent Event [Member]
Earnings Per Share [Line Items]
Stock Repurchase Program, Authorized Amount			$ 162,500
Shares Repurchased Under Stock Compensation Program [Member]
Earnings Per Share [Line Items]
Stock Repurchased During Period, Shares	37,683
Stock Repurchased During Period, Value	$ 900