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Share Repurchase (Detail) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Feb. 04, 2020 | Nov. 08, 2018
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |
Total number of share repurchases | 1,473,863 | 1,755,160 | 1,473,863 | 2,673,967 |  |
Total cost of share repurchases | $ 44,963 | $ 59,764 | $ 44,963 | $ 100,019 |  |
Average price paid per share | $ 30.51 | $ 34.05 | $ 30.51 | $ 37.40 |  |
Life-to-Date Current Shares Repurchase Program Total number of share repurchases | 7,857,294 |  | 7,857,294 |  |  |
Life-to-Date Current Shares Repurchase Program Total cost of share repurchases | $ 299,732 |  | $ 299,732 |  |  |
Life-to-Date Current Shares Repurchase Program Average price paid per share | $ 38.15 |  | $ 38.15 |  |  |
Authorized On February Fourth Two-Thousand Twenty [Member] |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |
Authorized amount for repurchase |  |  |  |  | $ 300,000 |
Maximum |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |
Remaining authorized amount for repurchase | $ 300,300 |  | $ 300,300 |  |  |
Maximum | Authorized On November Eighth Two-Thousand Twenty [Member] |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |
Authorized amount for repurchase |  |  |  |  |  | $ 300,000

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