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, 2018
Mar. 31, 2018
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, accumulated amortization $ 102,216 $ 89,192
Intangible assets, gross 231,932 240,626
Intangible assets, net 129,717 151,434
Certifications    
Finite-Lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets (excluding goodwill) 444 458
Products    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 61,068 64,611
Finite-lived intangible assets, accumulated amortization 7,125 2,719
Finite-lived intangible assets, net carrying amount 53,944 61,892
Trademarks    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 44,682 46,156
Finite-lived intangible assets, accumulated amortization 941 832
Finite-lived intangible assets, net carrying amount 43,741 45,324
Developed technology    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 9,823 10,160
Finite-lived intangible assets, accumulated amortization 4,323 4,106
Finite-lived intangible assets, net carrying amount 5,500 6,054
Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 110,240 113,378
Finite-lived intangible assets, accumulated amortization 84,152 77,646
Finite-lived intangible assets, net carrying amount 26,088 35,732
Other    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 5,675 5,863
Finite-lived intangible assets, accumulated amortization 5,675 3,889
Finite-lived intangible assets, net carrying amount $ 0 $ 1,974