XML 60 R60.htm IDEA: XBRL DOCUMENT v3.19.2
Fair Value Measurements - Carrying Amounts and Fair Values of Financial Instruments, Other than Cash and Cash Equivalents, Receivables and Accounts Payable (Detail)
$ in Thousands
Jul. 31, 2019
USD ($)
Schedule Of Carrying Amounts And Fair Values Of Financial Instruments [Abstract]  
Long-term debt (including current portion), Carrying Amount $ 1,348,606
Long-term debt (including current portion), Fair Value $ 1,371,640