Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2016

Earnings Per Share [Abstract]

Weighted-Average Number of Shares of Common Stock Used to Calculate Basic and Diluted Earnings Per Share

The table below presents the weighted-average number of shares of common stock used to calculate basic and diluted earnings per share:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2016		2015		2016		2015
Weighted-average number of shares of common stock for    calculating basic earnings per share		23,911		25,334		23,891		25,853
Effect of potentially dilutive securities from    equity-based compensation		130		74		66		101
Weighted-average number of shares of common stock for    calculating diluted earnings per share		24,041		25,408		23,957		25,954

Securities Not Included in Computation of Diluted Earnings Per Share

The following securities were not included in the computation of diluted earnings per share as their effect would have been anti-dilutive:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2016		2015		2016		2015
Options to purchase shares of common stock		636		1,326		998		746

Summary of Share Repurchase Activities

The following table presents share repurchase activities during the three and nine months ended September 30, 2016 and 2015.

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands, except share and per share amounts)	2016		2015		2016		2015
Number of shares repurchased		—		1,754,636		—		1,856,289
Aggregate purchase price	$	—	$	45,653	$	—	$	48,784
Average price per repurchased shares	$	—	$	26.02	$	—	$	26.28