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Fair Value of Financial Instruments - Additional Information (Detail) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Fair Value Disclosures [Abstract]
Long-term debt including current maturities	$ 618.6	$ 568.8
Fair value of long-term debt	$ 584.2	$ 597.2

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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