Fair Value Measurements - Schedule of Fair Value of Financial Instruments Measured at Fair Value on Recurring Basis (Detail) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019
Assets:
Total Assets	$ 1,668	$ 11,206
Liabilities:
Total Liabilities	12,215	21,317
Cash and cash equivalents	1,668	11,206
Other Liabilities:
Other Liabilities	12,215	21,317
Current [Member]
Other Liabilities:
Other Liabilities	6,734	8,967
Non Current [Member]
Other Liabilities:
Other Liabilities	5,481	12,350
Post-closing payments related to acquisitions [Member]
Liabilities:
Total Liabilities	9,045	16,259
Contingent consideration related to acquisitions [Member]
Liabilities:
Total Liabilities	3,170	5,058
Level 1 [Member]
Assets:
Total Assets	1,668	11,206
Liabilities:
Total Liabilities	0	0
Cash and cash equivalents	0	0
Other Liabilities:
Other Liabilities	0	0
Level 1 [Member] | Current [Member]
Other Liabilities:
Other Liabilities	0	0
Level 1 [Member] | Non Current [Member]
Other Liabilities:
Other Liabilities	0	0
Level 1 [Member] | Post-closing payments related to acquisitions [Member]
Liabilities:
Total Liabilities	0	0
Level 1 [Member] | Contingent consideration related to acquisitions [Member]
Liabilities:
Total Liabilities	0	0
Level 2 [Member]
Assets:
Total Assets	0	0
Liabilities:
Total Liabilities	9,045	16,259
Cash and cash equivalents	0	0
Other Liabilities:
Other Liabilities	0	0
Level 2 [Member] | Current [Member]
Other Liabilities:
Other Liabilities	0	0
Level 2 [Member] | Non Current [Member]
Other Liabilities:
Other Liabilities	0	0
Level 2 [Member] | Post-closing payments related to acquisitions [Member]
Liabilities:
Total Liabilities	9,045	16,259
Level 2 [Member] | Contingent consideration related to acquisitions [Member]
Liabilities:
Total Liabilities	0	0
Level 3 [Member]
Assets:
Total Assets	0	0
Liabilities:
Total Liabilities	3,170	5,058
Cash and cash equivalents	0	0
Other Liabilities:
Other Liabilities	0	0
Level 3 [Member] | Current [Member]
Other Liabilities:
Other Liabilities	0	0
Level 3 [Member] | Non Current [Member]
Other Liabilities:
Other Liabilities	0	0
Level 3 [Member] | Post-closing payments related to acquisitions [Member]
Liabilities:
Total Liabilities	0	0
Level 3 [Member] | Contingent consideration related to acquisitions [Member]
Liabilities:
Total Liabilities	3,170	5,058
Money market funds [Member]
Assets:
Total Assets	1,668	11,206
Money market funds [Member] | Level 1 [Member]
Assets:
Total Assets	1,668	11,206
Money market funds [Member] | Level 2 [Member]
Assets:
Total Assets	0	0
Money market funds [Member] | Level 3 [Member]
Assets:
Total Assets	$ 0	$ 0