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Employee Benefits Plan | 12 Months Ended
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Dec. 31, 2017
Employee Benefits Plan | Note 18—Employee Benefits Plan The Company sponsors for its U.S. employees, a defined contribution plan under Section 401(k) of the Internal Revenue Code. The Plan provides that employees may defer up to 50% of their annual compensation subject to annual dollar limitations, and that the Company will make a matching contribution equal to 100% of each employee’s deferral, up to 5% of the employee’s annual compensation. Company matching contributions, which vest immediately, totaled $2.2 million, $2.5 million and $2.3 million for the years ended December 31, 2015, 2016 and 2017, respectively.

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- Definition The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 712 -URI http://asc.fasb.org/topic&trid=2197446 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -URI http://asc.fasb.org/topic&trid=2127225 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 + Details
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