Goodwill and Other Intangible Assets - Schedule of Goodwill and Goodwill Impairment Losses (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016
Goodwill [Line Items]
Gross carrying value	$ 421,982	$ 397,834
Accumulated goodwill impairment charges	(69,177)	(69,177)
Net book value	352,805	328,657	$ 353,547
Americas
Goodwill [Line Items]
Gross carrying value	209,100	204,827
Accumulated goodwill impairment charges	(57,845)	(57,845)
Net book value	151,255	146,982	166,197
EMEA
Goodwill [Line Items]
Gross carrying value	161,978	144,966
Accumulated goodwill impairment charges	(6,153)	(6,153)
Net book value	155,825	138,813	141,392
Asia
Goodwill [Line Items]
Gross carrying value	50,904	48,041
Accumulated goodwill impairment charges	(5,179)	(5,179)
Net book value	$ 45,725	$ 42,862	$ 45,958

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975

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Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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