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Fair Value Measurements
12 Months Ended
Apr. 30, 2023
Fair Value Disclosures [Abstract]  
Fair Value Measurements Fair Value Measurements
Assets and 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:
April 30,
20232022
(in thousands)
Interest rate swaps (Level 2)$— $1,136 
The Company had interest rate swap agreements with notional amounts totaling $500.0 million to convert the variable interest rate on a portion of its Term Loan Facility to a fixed 1-month LIBOR interest rate of 2.46%. The contracts were effective on February 28, 2019 and terminated on February 28, 2023. The objective of the interest rate swap agreements was to eliminate the variability of interest payment cash flows associated with variable interest rates. The Company designated the interest rate swaps as cash flow hedges.
As of April 30, 2022, interest rate swap liability was classified in other accrued expenses and current liabilities in the Condensed Consolidated Balance Sheet. The Company recognized losses, net of tax, of $1.8 million, $8.9 million and $8.8 million in earnings during the years ended April 30, 2023, 2022 and 2021 respectively, related to its interest rate swaps. These losses are included in interest expense in the Consolidated Statements of Operations and Comprehensive Income and within cash flows from operating activities in the Consolidated Statements of Cash Flows. See Note 11, " Stockholders' Equity," for a reconciliation of the beginning and ending derivative loss in accumulated other comprehensive income.

The fair value of interest rate swaps was determined using Level 2 inputs. The Company obtained the Level 2 inputs from its counterparties. Substantially all the inputs throughout the full term of the instruments were derived from observable data or are supported by observable levels at which transactions are executed in the marketplace. The fair value of the Company’s interest rate swap was determined using widely accepted valuation techniques including a discounted cash flow analysis on the expected cash flows of the derivative. This analysis reflected the contractual terms of the derivatives, including the period to maturity, and used observable market-based inputs, including interest rate curves and implied volatilities.
Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
Disclosures are required for certain assets and liabilities that are measured at fair value on a nonrecurring basis in periods after initial recognition. Such measurements of fair value relate primarily to assets and liabilities measured at fair value in connection with business combinations and asset impairments. For more information on business combinations, see Note 2, “Business Combinations.” During the year ended April 30, 2021, the Company recorded a $1.0 million impairment of operating lease ROU assets. There were no other material long-lived asset impairments during the years ended April 30, 2023, 2022 or 2021.
Fair Value of Debt
The estimated fair value of the Company’s Senior Notes was determined based on Level 2 input using observable market prices in less active markets. The carrying amount of the Company’s Term Loan Facility and ABL Facility approximates its fair value as the interest rates are variable and reflective of market rates. The following table presents the carrying value and fair value of the Company’s Senior Notes:
April 30, 2023April 30, 2022
Carrying AmountFair ValueCarrying AmountFair Value
(in thousands)
Senior Notes$350,000 $308,000 $350,000 $310,625