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Employee Benefit Plans (Tables) | 12 Months Ended
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Aug. 31, 2016
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):
| 2016 |  | 2015
Reconciliation of benefit obligations: |  |  |
Benefit obligation at beginning of year | $ | 45,612 |  |  | $ | 47,545 |
Interest cost | 1,970 |  |  | 1,920 |
Actuarial (gain) loss | 5,604 |  |  | (170 | )
Benefits paid | (2,777 | ) |  | (3,683 | )
Benefit obligation at end of year | $ | 50,409 |  |  | $ | 45,612 |
Reconciliation of plan assets: |  |  |
Fair value of plan assets at beginning of year | $ | 39,181 |  |  | $ | 44,642 |
Actual return on plan assets | 2,687 |  |  | (2,088 | )
Company contributions | 398 |  |  | 310 |
Benefits paid from plan assets | (2,777 | ) |  | (3,683 | )
Fair value of plan assets at end of year | 39,489 |  |  | 39,181 |
Funded status of the plans (underfunded) | $ | (10,920 | ) |  | $ | (6,431 | )
Net Periodic Benefit Costs | The following table provides detail on the Company’s domestic net periodic benefit costs (in thousands):
| Year ended August 31,
| 2016 |  | 2015 |  | 2014
Interest cost | $ | 1,970 |  |  | $ | 1,920 |  |  | $ | 2,146 |
Expected return on assets | (2,997 | ) |  | (3,143 | ) |  | (2,959 | )
Amortization of actuarial loss | 837 |  |  | 828 |  |  | 667 |
Net benefit cost (income) | $ | (190 | ) |  | $ | (395 | ) |  | $ | (146 | )
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:
| 2016 |  | 2015 |  | 2014
Assumptions for benefit obligations: |  |  |  |  |
Discount rate | 3.45 | % |  | 4.45 | % |  | 4.15 | %
Assumptions for net periodic benefit cost: |  |  |  |  |
Discount rate | 4.45 | % |  | 4.15 | % |  | 4.90 | %
Expected return on plan assets | 7.40 | % |  | 7.50 | % |  | 7.65 | %
U.S. Pension Plan Investment Allocations by Asset Category | The fair value of all U.S. pension plan assets is determined based on quoted market prices and therefore all plan assets are determined based on Level 1 inputs, except for fixed income securities which are valued based on Level 2 inputs, as defined in Note 6, “Fair Value Measurements.” The U.S. pension plan investment allocations by asset category were as follows (in thousands):
|  | Year Ended August 31,
|  | 2016 |  | % |  | 2015 |  | %
Cash and cash equivalents |  | $ | 347 |  |  | 0.9 | % |  | $ | 314 |  |  | 0.8 | %
Fixed income securities: |  |  |  |  |  |  |  |
Corporate bonds |  | 8,372 |  |  | 21.2 |  |  | 9,481 |  |  | 24.2 |
Mutual funds |  | 3,351 |  |  | 8.5 |  |  | 3,100 |  |  | 7.9 |
|  | 11,723 |  |  | 29.7 |  |  | 12,581 |  |  | 32.1 |
Equity securities: |  |  |  |  |  |  |  |
Mutual funds |  | 27,419 |  |  | 69.4 |  |  | 26,286 |  |  | 67.1 |
Total plan assets |  | $ | 39,489 |  |  | 100.0 | % |  | $ | 39,181 |  |  | 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 funded status of these plans is summarized as follows (in thousands):
|  | August 31,
|  | 2016 |  | 2015
Benefit obligation |  | $ | 16,808 |  |  | $ | 14,255 |
Fair value of plan assets |  | 8,502 |  |  | 8,675 |
Funded status of plans (underfunded) |  | $ | (8,306 | ) |  | $ | (5,580 | )

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- Definition Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall. + 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 (d)(5) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized 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 + Details
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