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Commitments and Contingencies - Schedule of Future Minimum Annual Commitments Under Operating Leases (Detail)
$ in Thousands
Jun. 30, 2017
USD ($)
Commitments And Contingencies Disclosure [Abstract]  
2018 $ 10,282
2019 9,455
2020 5,996
2021 3,691
2022 1,142
Thereafter $ 263