Fair Value Measurements (Summary of Valuation of Financial Assets and Liabilities) (Detail 1) - USD ($) $ in Thousands	Sep. 30, 2017		Jun. 30, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency contracts-assets	$ 529	[1]	$ 486	[2]
Foreign currency contracts-liabilities	232	[3]	137	[4]
Derivative liability for interest rate swap	475	[5]	581	[6]
Contingent consideration	3,077	[7]	2,952	[8]
Time deposits
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	5,970		5,781
Investments	3,048		2,046
Quoted Prices in Active Markets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency contracts-assets		[1]		[2]
Foreign currency contracts-liabilities		[3]		[4]
Derivative liability for interest rate swap		[5]		[6]
Contingent consideration		[7]		[8]
Quoted Prices in Active Markets (Level 1) | Time deposits
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents
Investments
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency contracts-assets	529	[1]	486	[2]
Foreign currency contracts-liabilities	232	[3]	137	[4]
Derivative liability for interest rate swap	475	[5]	581	[6]
Contingent consideration		[7]		[8]
Significant Other Observable Inputs (Level 2) | Time deposits
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	5,970		5,781
Investments	3,048		2,046
Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency contracts-assets		[1]		[2]
Foreign currency contracts-liabilities		[3]		[4]
Derivative liability for interest rate swap		[5]		[6]
Contingent consideration	3,077	[7]	2,952	[8]
Significant Unobservable Inputs (Level 3) | Time deposits
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents
Investments

[1] Included in "Other receivables" in the accompanying Condensed Consolidated Balance Sheet as of September 30, 2017.

[2] Included in "Other receivables" in the accompanying Condensed Consolidated Balance Sheet as of June 30, 2017.

[3] Included in "Accrued expenses" in the accompanying Condensed Consolidated Balance Sheet as of September 30, 2017.

[4] Included in "Accrued expenses" in the accompanying Condensed Consolidated Balance Sheet as of June 30, 2017.

[5] Included in "Long-term liabilities" in the accompanying Condensed Consolidated Balance Sheet as of September 30, 2017.

[6] Included in "Long-term liabilities" in the accompanying Condensed Consolidated Balance Sheet as of June 30, 2017.

[7] $153 included in "Accrued expenses" and $2,924 included in "Long-term liabilities" in the accompanying Condensed Consolidated Balance Sheet as of September 30, 2017.

[8] $145 included in "Accrued expenses" and $2,807 included in "Long-term liabilities" in the accompanying Condensed Consolidated Balance Sheet as of June 30, 2017.