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Stockholders' Equity (Notes) | 12 Months Ended
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Dec. 31, 2016
Equity, Class of Treasury Stock [Line Items] |
Treasury Stock [Text Block] | Stockholders' Equity On July 21, 2014, the Board of Directors approved a program authorizing the Company to repurchase up to $100.0 million of the Company’s common stock. During 2014, the Company repurchased 3.4 million shares of its common stock under this program at a cost of $100.0 million. All shares repurchased under this program were retired. This resulted in a reduction of $31.2 million in paid-in capital and a reduction of $68.8 million in retained earnings. On January 16, 2015, the Company's Board of Directors approved a $100.0 million share repurchase program. During 2015, the Company repurchased 43,000 shares of its common stock at a cost of $1.6 million. All shares repurchased under this program were retired, which resulted in a reduction of $0.4 million in paid-in capital and a reduction of $1.2 million in retained earnings. The Company's stock-based compensation plans accept shares of the Company's common stock as payment for the exercise price of stock options. During 2015 the Company received 46,174 shares, with a $2.2 million value, as payment for the exercise of stock options. Those shares were retired upon receipt, which resulted in a reduction of $0.8 million in paid-in capital and a reduction of $1.4 million in retained earnings. On June 5, 2015, the Company issued 794,700 shares of its common stock valued at $30.2 million, in connection with the acquisition of Creative Circle. On June 10, 2016, the Board of Directors approved a stock repurchase program, whereby the Company may repurchase up to $150.0 million of its common stock over the following two years. This program superseded the previous $100.0 million repurchase authorization. During 2016, the Company repurchased 1,133,553 shares of its common stock at a cost of $43.1 million. All shares repurchased under this program were retired, which resulted in a reduction of $11.9 million in paid-in capital and a reduction of $31.2 million in retained earnings.

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- Definition The entire disclosure for treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References No definition available. + Details
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