Components of Earnings (Losses) Before Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Income Tax Disclosure [Abstract]
U.S. loss									$ (15,207)	$ (6,944)	$ (5,809)
Non-U.S. income									137,401	125,732	95,764
Earnings Before Income Taxes	$ 34,207	$ 31,220	$ 29,868	$ 26,899	$ 33,858	$ 29,267	$ 31,816	$ 23,847	$ 122,194	$ 118,788	$ 89,955

The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(1)(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

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Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

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