Matters Concerning Shareholders' Equity - Additional Information (Detail) - USD ($)
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1 Months Ended |
3 Months Ended |
Jul. 02, 2015 |
Jun. 30, 2015 |
May. 30, 2015 |
May. 31, 2014 |
| Share Based Compensation Arrangements and Share Repurchase Plan [Line Items] |
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| Cost of shares repurchased |
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$ 17,630,000
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| Share Repurchase Program April 2014 |
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| Share Based Compensation Arrangements and Share Repurchase Plan [Line Items] |
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| Common stock repurchased under Share repurchase plan |
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1,349,200
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| Weighted average cost |
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$ 13.07
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| Amount remained for repurchase |
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$ 104,546,000
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| Authorized amount for share repurchase |
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200,000,000
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| Share Repurchase Program April 2014 | Subsequent Event |
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| Share Based Compensation Arrangements and Share Repurchase Plan [Line Items] |
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| Common stock repurchased under Share repurchase plan |
1,200,000
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| Weighted average cost |
$ 12.29
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| Amount remained for repurchase |
$ 89,800,000
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| Cost of shares repurchased |
$ 14,746,000
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$ 1,494,000
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| Restricted Stock Awards |
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| Share Based Compensation Arrangements and Share Repurchase Plan [Line Items] |
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| Recorded stock-based compensation expense |
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2,220,000
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$ 3,200,000
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| Total unrecognized compensation expense related to unvested stock option awards |
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$ 27,136,000
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| Weighted average period for recognizing unrecognized compensation expense, in years |
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2 years 1 month 6 days
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| Shares awarded |
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903,155
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| Service-Based Awards |
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| Share Based Compensation Arrangements and Share Repurchase Plan [Line Items] |
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| Shares awarded |
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308,000
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| Vesting period, years |
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3 years
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| Weighted average grant date fair value |
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$ 14.04
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| Performance-Based Awards |
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| Share Based Compensation Arrangements and Share Repurchase Plan [Line Items] |
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| Shares awarded |
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531,000
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| Weighted average grant date fair value |
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$ 13.06
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