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Fair Value Measurements (Tables)
3 Months Ended
Jul. 31, 2021
Fair Value Disclosures [Abstract]  
Schedule of liabilities measured at fair value on a recurring basis
The following table presents the estimated carrying amount and fair value of the Company’s liabilities measured at fair value on a recurring basis:
July 31,
2021
April 30,
2021
(in thousands)
Interest rate swaps (Level 2)$18,405 $21,004 
Schedule of carrying value and fair value of the Senior Notes The following table presents the carrying value and fair value of the Company’s Senior Notes:
July 31, 2021April 30, 2021
Carrying AmountFair ValueCarrying AmountFair Value
(in thousands)
Senior Notes$350,000 $355,250 $350,000 $350,000