Debt - Additional Information (Details) - USD ($)			3 Months Ended	9 Months Ended		12 Months Ended
	Nov. 09, 2016	Jun. 26, 2015	Dec. 31, 2016	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2018	Aug. 04, 2017	Aug. 03, 2017	Nov. 30, 2016	Sep. 30, 2016	Jan. 01, 2016
Line of Credit Facility [Line Items]
Repayments of Long-term Debt				$ 13,659,000	$ 3,866,000
Outstanding borrowings				8,466,000
Foreign debt borrowings, current				27,932,000						$ 31,009,000
Revolving credit agreement				20,387,000						12,751,000
Foreign debt borrowings, long-term debt, current portion				7,545,000						18,258,000
Foreign Subsidiary Borrowings
Line of Credit Facility [Line Items]
Outstanding borrowings				9,158,000						9,540,000
Foreign debt borrowings, current				6,481,000						5,833,000
Revolving credit agreement				3,856,000						3,262,000
Foreign debt borrowings, long-term debt, current portion				1,483,000						2,014,000
Foreign debt borrowings, factoring payable, current				1,142,000						557,000
Receivables pledged as collateral, carrying value				$ 1,790,000						$ 1,156,000
Euro Interbank Offered Rate (Euribor) | Minimum | Foreign Subsidiary Borrowings
Line of Credit Facility [Line Items]
Euribor variable interest rates				1.00%
Euro Interbank Offered Rate (Euribor) | Maximum | Foreign Subsidiary Borrowings
Line of Credit Facility [Line Items]
Euribor variable interest rates				4.00%
Term Loan | Forecast
Line of Credit Facility [Line Items]
Repayments of Long-term Debt						$ 700,000
Credit Facility
Line of Credit Facility [Line Items]
Revolving credit facility, maximum borrowing capacity	$ 39,871,000
Debt issuance costs incurred									$ 498,000
Debt issuance costs related to the term loan and revolving credit facility, gross				$ 786,000
Credit Facility | Term Loan
Line of Credit Facility [Line Items]
Issued amount of debt	4,871,000
Installment payment	$ 81,000
Weighted average interest rate, term loan				5.30%
Fixed interest rate after effect of interest rate swap	5.80%
Debt issuance costs incurred				$ 61,000
Accumulated amortization of debt issuance costs				$ 10,000
Credit Facility | Term Loan | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Basis spread on LIBOR				4.25%
Credit Facility | Line of Credit
Line of Credit Facility [Line Items]
Revolving credit facility, maximum borrowing capacity	$ 35,000,000
Weighted average interest rate, revolving credit facility				4.60%
Revolving line of credit, debt Issuance costs incurred, gross				$ 725,000
Revolving line of credit, accumulated amortization of debt issuance costs				$ 232,000
Credit Facility | Line of Credit | Minimum
Line of Credit Facility [Line Items]
Commitment fee percentage	0.15%
Credit Facility | Line of Credit | Maximum
Line of Credit Facility [Line Items]
Commitment fee percentage	0.375%
Credit Facility | Line of Credit | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Basis spread on LIBOR	3.75%
Second Amendment | Line of Credit | Subsequent Event
Line of Credit Facility [Line Items]
Revolving credit facility, maximum borrowing capacity							$ 30,000,000	$ 35,000,000
2015 Credit Agreement
Line of Credit Facility [Line Items]
Debt issuance costs incurred		$ 724,000
Write off of deferred debt issuance cost due to debt modification			$ 241,000
2015 Credit Agreement | Revolving Credit Facility
Line of Credit Facility [Line Items]
Revolving credit facility, maximum borrowing capacity		$ 25,000,000									$ 20,000,000
Debt agreement term		5 years
Percentage of stock of non-U.S. subsidiaries pledged		65.00%
Accordion feature, amount of increase in borrowing capacity		$ 15,000,000
2015 Credit Agreement | Term Loan
Line of Credit Facility [Line Items]
Issued amount of debt		20,000,000
Installment payment		$ 714,000
Debt agreement term		5 years