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
Jun. 30, 2018
Mar. 31, 2018
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, accumulated amortization $ 93,493 $ 89,192
Intangible assets, gross 236,713 240,626
Intangible assets, net 143,220 151,434
Certifications    
Finite-Lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets (excluding goodwill) 450 458
Products    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 63,267 64,611
Finite-lived intangible assets, accumulated amortization 4,236 2,719
Finite-lived intangible assets, net carrying amount 59,031 61,892
Trademarks    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 45,360 46,156
Finite-lived intangible assets, accumulated amortization 870 832
Finite-lived intangible assets, net carrying amount 44,490 45,324
Developed technology    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 9,978 10,160
Finite-lived intangible assets, accumulated amortization 4,156 4,106
Finite-lived intangible assets, net carrying amount 5,822 6,054
Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 111,867 113,378
Finite-lived intangible assets, accumulated amortization 79,517 77,646
Finite-lived intangible assets, net carrying amount 32,350 35,732
Other    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 5,791 5,863
Finite-lived intangible assets, accumulated amortization 4,714 3,889
Finite-lived intangible assets, net carrying amount $ 1,077 $ 1,974