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Defined Contribution Bonus and Profit Sharing Plans (Text Block) | 12 Months Ended
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Dec. 31, 2017
Defined Contribution, Bonus, and Profit Sharing [Abstract] |
Compensation and Employee Benefit Plans [Text Block] | Defined Contribution, Bonus, and Profit Sharing Plans Defined Contribution Plans In the United States, United Kingdom, and certain other countries, we make contributions to defined contribution plans. For our U.S. employee savings plan, which represents a majority of our contribution expense, we provide a 75% match on the first 6% of the employee salary deferral, subject to statutory limitations. For our international defined contribution plans, we provide various levels of contributions, based on salary, subject to stipulated or statutory limitations. The expense for our defined contribution plans was as follows:
| Year Ended December 31,
| 2017 |  | 2016 |  | 2015
| (in thousands)
Defined contribution plans expense | $ | 11,709 |  |  | $ | 7,941 |  |  | $ | 6,579 |
Bonus and Profit Sharing Plans and Awards We have employee bonus and profit sharing plans in which many of our employees participate, as well as an award program, which allows for recognition of individual employees' achievements. The bonus and profit sharing plans provide award amounts for the achievement of performance and financial targets. As the bonuses are being earned during the year, we estimate a compensation accrual each quarter based on the progress towards achieving the goals, the estimated financial forecast for the year, and the probability of achieving results. Bonus and profit sharing plans and award expense was as follows:
| Year Ended December 31,
| 2017 |  | 2016 |  | 2015
| (in thousands)
Bonus and profit sharing plans and award expense | $ | 40,005 |  |  | $ | 43,377 |  |  | $ | 14,192 |

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- Definition Defined Contribution, Bonus, and Profit Sharing [Abstract] + References No definition available. + Details
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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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