Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016
Indefinite-lived Intangible Assets [Line Items]
Gross carrying value	$ 397,834	$ 421,982	$ 397,834
Amortization expense, related to finite-lived intangible assets		8,443	8,557	$ 8,308
Expected amortization expense, 2018		8,405
Expected amortization expense, 2019		8,262
Expected amortization expense, 2020		8,005
Expected amortization expense, 2021		7,922
Expected amortization expense, 2022		5,670
Impairment of goodwill	12,216	0	12,216	31,411
Impairment of indefinite-lived intangible assets	1,800
Estimated tax-deductible goodwill	19,857	18,147	19,857
Americas
Indefinite-lived Intangible Assets [Line Items]
Gross carrying value	204,827	209,100	204,827
Impairment of goodwill			8,646	29,579
Impairment of indefinite-lived intangible assets			700	3,420
EMEA
Indefinite-lived Intangible Assets [Line Items]
Gross carrying value	$ 144,966	$ 161,978	144,966
Impairment of goodwill			3,570	1,832
Impairment of indefinite-lived intangible assets			$ 1,100
Asset impairment charges				$ 1,421