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Restructuring Costs - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Dec. 31, 2016
Dec. 31, 2016
Restructuring And Related Activities [Abstract]    
Restructuring costs [1] $ 2,403 $ 2,403
Restructuring inception year and month   2016-11
Restructuring reserve balance paid date   2017-01
[1] Cost of revenue and operating expenses include stock-based compensation expense as follows:   Cost of revenue $728 $930 $1,699 $1,857 Product development 471 527 1,007 1,185 Sales and marketing 220 509 577 981 General and administrative 681 768 1,424 1,500 Restructuring charges 42 — 42 —