Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Jun. 30, 2015
Income Tax Contingency [Line Items]
Effective income tax rate	17.10%	13.60%
U.S. statutory rate	35.00%
Unrecognized tax benefits that would impact effective tax rate	$ 4.6		$ 4.0
United States Internal Revenue Service | Earliest Tax Year
Income Tax Contingency [Line Items]
Tax year remain open to examination	2013
United States Internal Revenue Service | Latest Tax Year
Income Tax Contingency [Line Items]
Tax year remain open to examination	2015
California's Franchise Tax Board | Tax Year 2011
Income Tax Contingency [Line Items]
Income tax examination, year(s) under examination	2011
California's Franchise Tax Board | Tax Year 2012
Income Tax Contingency [Line Items]
Income tax examination, year(s) under examination	2012
Federal Ministry of Finance, Germany | Tax Year 2012
Income Tax Contingency [Line Items]
Income tax examination, year(s) under examination	2012
Federal Ministry of Finance, Germany | Tax Year 2013
Income Tax Contingency [Line Items]
Income tax examination, year(s) under examination	2013
State Jurisdictions | Earliest Tax Year
Income Tax Contingency [Line Items]
Tax year remain open to examination	2011
State Jurisdictions | Latest Tax Year
Income Tax Contingency [Line Items]
Tax year remain open to examination	2015
Foreign Taxing Jurisdictions | Earliest Tax Year
Income Tax Contingency [Line Items]
Tax year remain open to examination	2008
Foreign Taxing Jurisdictions | Latest Tax Year
Income Tax Contingency [Line Items]
Tax year remain open to examination	2015