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Deferred Compensation and Retirement Plans | 3 Months Ended
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Jul. 31, 2018
Compensation And Retirement Disclosure [Abstract] |
Deferred Compensation and Retirement Plans | 6. Deferred Compensation and Retirement Plans The Company has several deferred compensation and retirement plans for eligible consultants and vice presidents that provide defined benefits to participants based on the deferral of current compensation or contributions made by the Company subject to vesting and retirement or termination provisions. Among these plans is a defined benefit pension plan for certain employees in the United States. The assets of this plan are held separately from the assets of the sponsors in self-administered funds. All other defined benefit obligations from other plans are unfunded. The components of net periodic benefit costs are as follows:
|  | Three Months Ended July 31, |
|  | 2018 |  |  | 2017 |
|  | (in thousands) |
Service cost |  | $ | 3,646 |  |  | $ | 2,065 |
Interest cost |  |  | 1,296 |  |  |  | 1,020 |
Amortization of actuarial loss |  |  | 446 |  |  |  | 577 |
Expected return on plan assets (1) |  |  | (392 | ) |  |  | (399 | )
Net periodic service credit amortization |  |  | (77 | ) |  |  | — |
Net periodic benefit costs (2) |  | $ | 4,919 |  |  | $ | 3,263 |
(1) | The expected long-term rate of return on plan assets is 6.25% and 6.50% for July 31, 2018 and 2017, respectively.
(2) | The service cost, interest cost and the other components of net periodic benefit costs are included in compensation and benefits expense, interest expense, net and other income, net, respectively, on the consolidated statements of operations.
The Company purchased COLI contracts insuring the lives of certain employees eligible to participate in the deferred compensation and pension plans as a means of funding benefits under such plans. The gross CSV of these contracts of $188.5 million and $186.8 million as of July 31, 2018 and April 30, 2018, respectively, is offset by outstanding policy loans of $66.7 million in both the accompanying consolidated balance sheets as of July 31, 2018 and April 30, 2018. The CSV value of the underlying COLI investments increased by $1.3 million and $2.5 million during the three months ended July 31, 2018 and 2017, respectively, and is recorded as a decrease in compensation and benefits expense in the accompanying consolidated statements of operations. The Company’s ECAP is intended to provide certain employees an opportunity to defer salary and/or bonus on a pre-tax basis. In addition, the Company, as part of its compensation philosophy, makes discretionary contributions into the ECAP and such contributions may be granted to key employees annually based on the employee’s performance. Certain key management may also receive Company ECAP contributions upon commencement of employment. The Company amortizes these contributions on a straight-line basis over the service period, generally a four- to five-year period. Participants have the ability to allocate their deferrals among a number of investment options and may receive their benefits at termination, retirement or “in service” either in a lump sum or in quarterly installments over one to 15 years. The ECAP amounts that are expected to be paid to employees over the next 12 months are classified as a current liability included in compensation and benefits payable on the accompanying balance sheet. The ECAP is accounted for whereby the changes in the fair value of the vested amounts owed to the participants are adjusted with a corresponding charge (or credit) to compensation and benefits costs. During the three months ended July 31, 2018 and 2017, deferred compensation liability increased; therefore, the Company recognized an increase in compensation expense of $4.2 million and $3.7 million, respectively. Offsetting the increase in compensation and benefits expense was an increase in the fair value of marketable securities classified as trading (held in trust to satisfy obligations under the ECAP) of $4.0 million and $3.4 million during the three months ended July 31, 2018 and 2017, respectively, recorded in other income, net on the consolidated statements of operations (see Note 5—Financial Instruments).

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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