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Subsequent Events - Additional Information (Details) - Subsequent Event | Nov. 05, 2021 USD ($) | Oct. 04, 2021 USD ($) | Oct. 01, 2021 USD ($) | Nov. 04, 2021 shares
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Subsequent Event [Line Items] |  |  |  |
Credit agreement description | (i) provide to the Company a $450,000,000 multicurrency revolving credit facility maturing in November 2026, (ii) permit additional incremental borrowing capacity, subject to conditions stated therein, (iii) replace the existing fixed charge coverage ratio with an interest coverage ratio with a minimum of 2.50 to 1.00, and (iv) replace the existing leverage ratios with a single leverage ratio test of 4.50 to 1.00. |  |  |
Credit agreement date | Nov. 05, 2021 |  |  |
Common Stock |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Number of shares authorized to be repurchased (shares) | shares |  |  |  | 2,000,000
Revolving Credit Facility |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Credit facility borrowing amount | $ 450,000,000 |  |  |
Minimum interest coverage ratio | 2.50 |  |  |
Leverage ratio | 4.50 |  |  |
Praxis Consulting Inc |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Membership interest percentage |  |  | 100.00% |
Initial lump-sum payment of purchase price |  |  | $ 25,500,000 |
Working capital adjustments recognized under acquisition agreement |  |  | 20,000,000 |
Praxis Consulting Inc | Maximum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Payment to acquire business |  |  | $ 10,000,000 |
BosBoon Expertise Group B.V. |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Initial lump-sum payment of purchase price |  | $ 2,200,000 |  |
BosBoon Expertise Group B.V. | Maximum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Payment to acquire business |  | $ 1,860,000 |  |

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- Definition Description of the terms of a credit facility arrangement. Terms typically include interest rate, collateral required, guarantees required, repayment requirements, and restrictions on use of assets and activities of the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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