Goodwill - Summary of Changes in Carrying Value of Goodwill by Reportable Segment (Details) $ in Thousands	9 Months Ended
Mar. 31, 2017 USD ($)
Goodwill
Balance at Beginning of the period	$ 464,714
Acquisition activity	19,639
Translation adjustments	(8,442)
Balance at end of the period	475,911
North America
Goodwill
Balance at Beginning of the period	258,081
Acquisition activity	13,753
Balance at end of the period	271,834
Europe
Goodwill
Balance at Beginning of the period	205,804
Acquisition activity	5,886
Translation adjustments	(8,435)
Balance at end of the period	203,255
Asia
Goodwill
Balance at Beginning of the period	829
Translation adjustments	(7)
Balance at end of the period	$ 822

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 of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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