Fair Value Measurements (Summary of Valuation of Financial Assets and Liabilities) (Detail 1) - Fair Value Measurement - USD ($) $ in Thousands		Dec. 31, 2017		Jun. 30, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency contracts-assets		$ 328	[1]	$ 486	[2]
Foreign currency contracts-liabilities		360	[3]	137	[4]
Derivative asset for interest rate swap	[5]	401
Derivative liability for interest rate swap	[6]			581
Contingent consideration		3,132	[7]	2,952	[8]
Time deposits
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents		6,848		5,781
Investments		3,054		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		0	[1]	0	[2]
Foreign currency contracts-liabilities		0	[3]	0	[4]
Derivative asset for interest rate swap	[5]	0
Derivative liability for interest rate swap	[6]			0
Contingent consideration		0	[7]	0	[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		0		0
Investments		0		0
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency contracts-assets		328	[1]	486	[2]
Foreign currency contracts-liabilities		360	[3]	137	[4]
Derivative asset for interest rate swap	[5]	401
Derivative liability for interest rate swap	[6]			581
Contingent consideration		0	[7]	0	[8]
Significant Other Observable Inputs (Level 2) | Time deposits
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents		6,848		5,781
Investments		3,054		2,046
Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency contracts-assets		0	[1]	0	[2]
Foreign currency contracts-liabilities		0	[3]	0	[4]
Derivative asset for interest rate swap	[5]	0
Derivative liability for interest rate swap	[6]			0
Contingent consideration		3,132	[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		0		0
Investments		$ 0		$ 0

[1] Included in "Other receivables" in the accompanying Condensed Consolidated Balance Sheet as of December 31, 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 December 31, 2017.

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

[5] Included in "Other assets" in the accompanying Condensed Consolidated Balance Sheet as of December 31, 2017.

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

[7] $87 included in "Accrued expenses" and $3,045 included in "Long-term liabilities" in the accompanying Condensed Consolidated Balance Sheet as of December 31, 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.