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Stockholders' Equity (Notes) | 6 Months Ended
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Jun. 30, 2018
Stockholders' Equity Attributable to Parent [Abstract] |
Stockholders' Equity Note Disclosure [Text Block] | Stockholders' Equity Treasury Stock In July 2010, our Board of Directors approved a common stock purchase plan to purchase up to $40.0 million of our common stock. This plan has no expiration date. During the six months ended June 30, 2018, we did not purchase any shares of our common stock under the stock purchase plan. As of June 30, 2018, the remaining authorized amount under this purchase plan is approximately $7.2 million. We are currently limited on share purchases in accordance with the terms and conditions of our Credit Facility (see Note 16: Long-Term Obligations). For the six months ended June 30, 2018, we withheld 23,611 shares of our common stock from employee vested restricted stock units in consideration for $5.5 million in payments made on the employee's behalf for their minimum statutory income tax withholding obligations. Treasury stock is used to issue shares for stock option exercises, restricted stock grants and employee stock purchase plan stock purchases. Accumulated Other Comprehensive Income (Loss) The components of accumulated other comprehensive income ("AOCI"), net of tax, were as follows (in thousands):
|  | Foreign Currency Translation Adjustments |  | Unrealized Gains on Cash Flow Hedges |  | Other Adjustments |  | Total
Balance as of December 31, 2017 |  | $ | (14,578 | ) |  | $ | (365 | ) |  | $ | (16 | ) |  | $ | (14,959 | )
Other comprehensive income before reclassifications |  | (2,290 | ) |  | 391 |  |  | 5 |  |  | (1,894 | )
Amounts reclassified from AOCI |  | — |  |  | (377 | ) |  | — |  |  | (377 | )
Other comprehensive income |  | (2,290 | ) |  | 14 |  |  | 5 |  |  | (2,271 | )
Balance as of June 30, 2018 |  | $ | (16,868 | ) |  | $ | (351 | ) |  | $ | (11 | ) |  | $ | (17,230 | )

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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