Acquisitions - Summary of Allocation of Aggregate Purchase Consideration to Fair Values of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Jul. 02, 2021	Dec. 31, 2020	Mar. 03, 2020	Feb. 06, 2019
Assets Acquired:
Goodwill	$ 20,548	$ 21,275
Liabilities Assumed:
Goodwill	$ 20,548	$ 21,275
Stardust SAS (StarDust) [Member]
Assets Acquired:
Cash			$ 1,798
Accounts receivable			1,303
Prepaids & other			71
Property & equipment, net			327
Acquired intangibles			1,282
Goodwill			2,757
Total assets acquired			7,538
Liabilities Assumed:
Accounts payable			285
Accrued compensation			307
Taxes payable			222
Other liabilities			163
Deferred income taxes			328
Total liabilities assumed			1,305
Net assets acquired			6,233
Cash			1,798
Accounts receivable			1,303
Prepaids & other			71
Property & equipment, net			327
Acquired intangibles			1,282
Goodwill			2,757
Total assets acquired			7,538
Accounts payable			285
Accrued compensation			307
Other liabilities			163
Total liabilities assumed			$ 1,305
Tech-IT PSF S.A. [Member]
Assets Acquired:
Cash				$ 1,217
Accounts receivable				4,491
Prepaids & other				1,122
Property & equipment, net				98
Acquired intangibles				4,099
Goodwill				5,331
Total assets acquired				16,358
Liabilities Assumed:
Accounts payable				2,378
Accrued compensation				172
Other liabilities				2,447
Total liabilities assumed				6,111
Net assets acquired				10,247
Cash				1,217
Accounts receivable				4,491
Prepaids & other				1,122
Property & equipment, net				98
Acquired intangibles				4,099
Goodwill				5,331
Total assets acquired				16,358
Accounts payable				2,378
Accrued compensation				172
Other liabilities				2,447
Deferred income taxes				1,114
Total liabilities assumed				$ 6,111