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Employee Benefit Plans (Tables)
 12 Months Ended
Aug. 31, 2020
Pension Plans, Defined Benefit  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Changes in Projected Benefit Obligations, Fair Value of Plan Assets The following table provides detail of changes in the projected benefit obligations, the fair value of plan assets and the funded status of the Company’s U.S. defined benefit pension plans as of the respective August 31 measurement date (in thousands):
20202019
Reconciliation of benefit obligations:
Benefit obligation at beginning of year$47,400 $43,280 
Interest cost1,331 1,694 
Actuarial loss4,131 5,339 
Benefits paid(3,222)(2,913)
Benefit obligation at end of year$49,640 $47,400 
Reconciliation of plan assets:
Fair value of plan assets at beginning of year$40,412 $40,244 
Actual return on plan assets2,562 2,972 
Company contributions183 108 
Benefits paid from plan assets(3,222)(2,912)
Fair value of plan assets at end of year39,935 40,412 
Funded status of the plans (underfunded)$(9,705)$(6,988)
Net Periodic Benefit Costs
The following table provides detail on the Company’s domestic net periodic benefit expense (in thousands):
 Year ended August 31,
 202020192018
Interest cost$1,331 $1,694 $1,633 
Expected return on assets(1,770)(2,208)(2,668)
Amortization of actuarial loss1,212 990 1,127 
Net periodic benefit expense$773 $476 $92 
Weighted Average Assumption used to Determine Benefit Obligations and Net Periodic Benefit Cost
Weighted-average assumptions used to determine U.S. pension plan obligations as of August 31 and weighted-average assumptions used to determine net periodic benefit cost for the years ended August 31 are as follows:
202020192018
Assumptions for benefit obligations:
Discount rate2.40 %2.90 %4.05 %
Assumptions for net periodic benefit cost:
Discount rate2.90 %4.05 %3.60 %
Expected return on plan assets4.60 %5.75 %7.00 %
U.S. Pension Plan Investment Allocations by Asset Category
The U.S. pension plan investment allocations by asset category were as follows (in thousands):
 Year Ended August 31,
 2020%2019%
Cash and cash equivalents$— — %$304 0.8 %
Income receivable55 0.1 — — 
Fixed income securities:
U.S. Treasury Securities5,206 13.0 — — 
Corporate Bonds— — 5,127 12.7 
Mutual funds23,091 57.9 23,206 57.4 
28,297 70.9 28,333 70.1 
Equity securities:
Mutual funds11,583 29.0 11,775 29.1 
Total plan assets$39,935 100.0 %$40,412 100.0 %
Other Pension Plans, Defined Benefit  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Changes in Projected Benefit Obligations, Fair Value of Plan Assets The following table provides detail of changes in the projected benefit obligations, the fair value of plan assets and the funded status of the Company’s foreign defined benefit pension plans as of the respective August 31 measurement date (in thousands):
20202019
Reconciliation of benefit obligations:
Benefit obligation at beginning of year$15,103 $13,056 
Employer service costs284 450 
Interest cost171 257 
Actuarial (gain)/loss(495)2,594 
Benefits paid(300)(421)
Plan amendments— 89 
Curtailments(1,687)(107)
Currency impact1,221 (815)
Benefit obligation at end of year$14,297 $15,103 
Reconciliation of plan assets:
Fair value of plan assets at beginning of year$8,118 $7,902 
Actual return on plan assets69 752 
Company contributions323 374 
Benefits paid from plan assets(300)(421)
Currency impact770 (489)
Fair value of plan assets at end of year8,980 8,118 
Funded status of the plans (underfunded)$(5,317)$(6,985)
The following table provides detail on the Company’s foreign net periodic benefit expense (in thousands):
 Year ended August 31,
 202020192018
Employer service costs$284 $450 $440 
Interest cost171 257 278 
Expected return on assets(357)(345)(366)
Amortization of net prior service credit(18)(65)(69)
Amortization of net loss205 263 306 
(Income) or cost of special events(728)(56)18 
Net periodic benefit (income) expense $(443)$504 $607