Share Repurchase Program	3 Months Ended
Mar. 31, 2018
Equity [Abstract]
Share Repurchase Program	Share Repurchase Program On February 12, 2015, the Company announced that its Board of Directors approved a share repurchase program authorizing the repurchase of up to an aggregate of $20 million of its common stock through open market and privately negotiated transactions over a two-year period. On November 2, 2016, the Board of Directors approved a two-year extension to the share repurchase program through February 28, 2019. On May 4, 2017, the Board of Directors authorized the repurchase of up to an additional $30.0 million of its common stock through open market and privately negotiated transactions over a two-year period ending May 31, 2019. The timing and amount of any share repurchases will be determined based on market conditions, share price and other factors, and the program may be discontinued or suspended at any time. Repurchases will be made in compliance with SEC rules and other legal requirements. During the three months ended March 31, 2018, the Company repurchased 931,749 shares of its common stock for $8.7 million in the aggregate at an average cost of $9.31 per share under this program. Of this amount, $7.9 million was paid for as of March 31, 2018, with the remaining $0.7 million, which was paid in April 2018, accrued within other current liabilities in the condensed consolidated balance sheet as of March 31, 2018. During the three months ended March 31, 2017, the Company repurchased 569,624 shares of its common stock for $5.5 million in the aggregate at an average cost of $9.64 per share. Of this amount, $4.3 million was paid for as of March 31, 2017, with the remaining $1.2 million, which was paid in April 2017, accrued within other current liabilities in the condensed consolidated balance sheet as of March 31, 2017. Shares repurchased under this program are recorded at acquisition cost, including related expenses. The Company repurchased 1,735,983 shares of its common stock for $17.0 million at an average cost of $9.75 after the balance sheet date through July 31, 2018, the date the financial statements were available to be issued. The impact did not have a material impact on EPS.

Share Repurchase Program

On February 12, 2015, the Company announced that its Board of Directors approved a share repurchase program authorizing the repurchase of up to an aggregate of $20 million of its common stock through open market and privately negotiated transactions over a two-year period. On November 2, 2016, the Board of Directors approved a two-year extension to the share repurchase program through February 28, 2019. On May 4, 2017, the Board of Directors authorized the repurchase of up to an additional $30.0 million of its common stock through open market and privately negotiated transactions over a two-year period ending May 31, 2019. The timing and amount of any share repurchases will be determined based on market conditions, share price and other factors, and the program may be discontinued or suspended at any time. Repurchases will be made in compliance with SEC rules and other legal requirements.

During the three months ended March 31, 2018, the Company repurchased 931,749 shares of its common stock for $8.7 million in the aggregate at an average cost of $9.31 per share under this program. Of this amount, $7.9 million was paid for as of March 31, 2018, with the remaining $0.7 million, which was paid in April 2018, accrued within other current liabilities in the condensed consolidated balance sheet as of March 31, 2018. During the three months ended March 31, 2017, the Company repurchased 569,624 shares of its common stock for $5.5 million in the aggregate at an average cost of $9.64 per share. Of this amount, $4.3 million was paid for as of March 31, 2017, with the remaining $1.2 million, which was paid in April 2017, accrued within other current liabilities in the condensed consolidated balance sheet as of March 31, 2017. Shares repurchased under this program are recorded at acquisition cost, including related expenses.

The Company repurchased 1,735,983 shares of its common stock for $17.0 million at an average cost of $9.75 after the balance sheet date through July 31, 2018, the date the financial statements were available to be issued. The impact did not have a material impact on EPS.