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Employee Benefit Plans (Details 4) - USD ($) |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Aug. 18, 2015 | Sep. 30, 2015 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Employee Benefit Plans |  |  |  |  |
Base contribution as a percentage of employee gross pay (as a percent) |  |  | 2.00% |  |
Employer maximum match of an employee's contributions of first 4% of eligible compensation (as a percent) |  |  | 100.00% |  |
Percentage of eligible compensation, matched 100% by employer |  |  | 4.00% |  |
Company's matching contributions under certain 401(k) savings plans |  |  | $ 4,300,000 | $ 4,400,000 | $ 4,200,000
Employee Benefit Plans |  |  |  |  |
Charges for pension plans |  |  | 62,700,000 | 1,500,000 | 100,000
EMEA pension plans |  |  |  |  |
Employee Benefit Plans |  |  |  |  |
Charges for pension plans |  |  | 4,900,000 | $ 5,500,000 | $ 5,800,000
Timothy P. Horne |  |  |  |  |
Components of net periodic benefit cost |  |  |  |  |
Consulting service payment (as a percent) | 50.00% |  |  |  |
Period of annual base salary | 3 years |  |  |  |
Annual payment for consulting services | $ 400,000 |  |  |  |
Payments for consulting service as per compensation agreement | 598,562 |  |  |  |
Lump sum buyout of consulting services lifetime payment obligation | $ 6,000,000 |  |  |  |
Payment for lump-sum buyout of lifetime consulting service payment obligation |  | $ 6,000,000 |  |  |
Pre-tax charge for lump-sum buyout of lifetime payment obligation |  |  | $ 5,000,000 |  |

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- Definition The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Definition Represents the base contribution as a percentage of employee gross pay which the employer may contribute to a defined contribution plan. + References No definition available. + Details
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