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Employee benefit plans and deferred compensation | 12 Months Ended
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Sep. 30, 2020
Retirement Benefits [Abstract] |
Employee benefit plans and deferred compensation | Employee benefit plans and deferred compensation We have 401(k) plans for the benefit of employees who meet certain eligibility requirements. The plans provide for Company match, specified Company contributions and discretionary Company contributions. During the years ended September 30, 2020, 2019 and 2018, we contributed $13.2 million, $12.3 million and $7.4 million to the 401(k) plans, respectively. Outside the U.S., we have a number of defined contribution pension plans. During the years ended September 30, 2020, 2019 and 2018, we contributed $18.6 million, $18.6 million, and $19.5 million to these plans, respectively. We also have a deferred compensation plan, which is a non-qualified plan available to a restricted number of highly compensated employees. The plan enables participants to defer compensation for tax purposes. These deferred employee contributions are held within a Rabbi Trust with investments directed by the respective employees. The assets of the Rabbi Trust are available to satisfy the claims of general creditors in the event of bankruptcy. The assets of the plan are sufficient to meet 91% of the liabilities as of September 30, 2020. The assets within the Rabbi Trust include $23.2 million invested in mutual funds that have quoted prices in active markets. These assets, as well as the related employee liabilities, are recorded at fair value, with changes in fair value being recorded in the consolidated statements of operations.

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 712 -URI http://asc.fasb.org/topic&trid=2197446 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -URI http://asc.fasb.org/topic&trid=2127225 Reference 4: 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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