Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Other Intangible Assets - Summary of Intangible Assets (Details)

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Goodwill and Other Intangible Assets - Summary of Intangible Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Mar. 31, 2019
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, accumulated amortization $ 113,537 $ 107,409
Intangible assets, gross 228,946 234,005
Intangible assets, net 115,409 126,596
Certifications    
Finite-Lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets (excluding goodwill) 448 445
Products    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 64,141 62,343
Finite-lived intangible assets, accumulated amortization 13,898 8,832
Finite-lived intangible assets, net carrying amount 50,243 53,511
Trademarks    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 45,190 44,819
Finite-lived intangible assets, accumulated amortization 1,263 1,052
Finite-lived intangible assets, net carrying amount 43,927 43,767
Developed technology    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 9,847 9,854
Finite-lived intangible assets, accumulated amortization 4,778 4,464
Finite-lived intangible assets, net carrying amount 5,069 5,390
Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 109,320 110,802
Finite-lived intangible assets, accumulated amortization 93,598 87,319
Finite-lived intangible assets, net carrying amount 15,722 23,483
Other    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 0 5,742
Finite-lived intangible assets, accumulated amortization 0 5,742
Finite-lived intangible assets, net carrying amount $ 0 $ 0