ACQUISITIONS - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Apr. 25, 2022	Jun. 01, 2021
Business Acquisition [Line Items]
Selling, general, and administrative expenses	$ 55,022	$ 48,110	$ 104,340	$ 94,841
SL Power Electronics Corporation
Business Acquisition [Line Items]
Current assets and liabilities, net					$ 12,320
Property and equipment					4,177
Operating lease right-of-use assets					4,996
Deferred tax asset					546
Intangible assets					55,300
Goodwill (deductible for tax purposes)					71,036
Operating lease liability					(4,996)
Total fair value of net assets acquired					$ 143,379
TEGAM, Inc.
Business Acquisition [Line Items]
Current assets and liabilities, net						$ 3,475
Property and equipment						755
Operating lease right-of-use assets						425
Intangible assets						6,900
Goodwill (deductible for tax purposes)						5,917
Other non-current assets						31
Other non-current liabilities						(25)
Operating lease liability						(425)
Total fair value of net assets acquired						$ 17,053