LONG-TERM DEBT - Capped Calls, Note Hedges and Warrants (Details) - USD ($)
$ / shares in Units, $ in Thousands |
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3 Months Ended |
5 Months Ended |
Jun. 01, 2021 |
Apr. 06, 2021 |
Feb. 01, 2021 |
Jun. 18, 2014 |
Apr. 30, 2022 |
Apr. 30, 2021 |
Jan. 21, 2022 |
| Debt Instrument [Line Items] |
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| Cumulative effect of adoption of ASU No. 2020-06, net of taxes |
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$ 41,100
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$ 0
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$ 40,950
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| 2021 Notes |
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| Debt Instrument [Line Items] |
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| Capped calls, initial conversion price (in dollars per share) |
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$ 62.08
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| Capped calls, initial cap price (in dollars per share) |
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$ 100.00
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| 2014 Notes |
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| Debt Instrument [Line Items] |
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| Exercise price of warrants (in dollars per share) |
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$ 47.18
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$ 75.00
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| Note Hedges, number of shares with right to acquire from counterparties |
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9,865,000
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6,205,000
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| Option indexed to issuer's equity, strike price (in dollars per share) |
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$ 40.55
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$ 64.46
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| Payment for note hedges |
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$ 60,800
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| Note hedges, shares received upon settlement (in shares) |
1,250,000
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| Note hedges, number of shares received pertaining to reimbursement |
42,000
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| Warrants, number of underlying common shares (in shares) |
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9,865,000
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6,205,000
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| Proceeds from issuance of warrants |
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$ 45,200
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| Warrants issued (in shares) |
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293,143
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| Warrants exercised on a cashless basis (in shares) |
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5,031,000
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