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Summary of Stock Option Activity (Detail)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended
Sep. 30, 2016
USD ($)
$ / shares
shares
Options outstanding, shares  
Beginning Balance | shares 935
Granted | shares 0
Exercised | shares 0
Forfeited/Expired | shares (20)
Ending Balance | shares 915
Exercisable as of September 30, 2016 | shares 340
Expected to vest as of September 30, 2016 | shares 575
Total | shares 915
Weighted Average Exercise Price Per Share  
Beginning Balance | $ / shares $ 146.31
Granted | $ / shares 0.00
Exercised | $ / shares 0.00
Forfeited/Expired | $ / shares 201.25
Ending Balance | $ / shares 145.11
Exercisable as of September 30, 2016 | $ / shares 134.33
Expected to vest as of September 30, 2016 | $ / shares 151.48
Total | $ / shares $ 145.11
Aggregate Intrinsic Value  
Exercised | $ $ 0
Exercisable as of September 30, 2016 | $ 12,285
Expected to vest as of September 30, 2016 | $ 13,324
Total | $ $ 25,609
Weighted Average Remaining Contractual Term (Years)  
Exercisable as of September 30, 2016 7 years 9 months 18 days
Expected to vest as of September 30, 2016 8 years 2 months 12 days
Total 8 years