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, 2017
Mar. 31, 2017
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, accumulated amortization $ 83,966 $ 70,925
Intangible assets, gross 243,402 157,103
Intangible assets, net 159,436 86,178
Certifications    
Finite-Lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets (excluding goodwill) 459 442
Products    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 66,408 0
Finite-lived intangible assets, accumulated amortization 1,107 0
Finite-lived intangible assets, net carrying amount 65,301 0
Trademarks    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 46,248 44,563
Finite-lived intangible assets, accumulated amortization 742 521
Finite-lived intangible assets, net carrying amount 45,506 44,042
Developed technology    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 10,181 9,796
Finite-lived intangible assets, accumulated amortization 3,989 3,454
Finite-lived intangible assets, net carrying amount 6,192 6,342
Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 114,148 99,676
Finite-lived intangible assets, accumulated amortization 75,094 64,682
Finite-lived intangible assets, net carrying amount 39,054 34,994
Other    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 5,958 2,626
Finite-lived intangible assets, accumulated amortization 3,034 2,268
Finite-lived intangible assets, net carrying amount $ 2,924 $ 358