Fair Value Measurements (Tables)

6 Months Ended

Nov. 30, 2019

Fair Value Disclosures [Abstract]

Schedule of Fair Value of Financial Instruments Measured on a Recurring Basis

These financial instruments measured at fair value on a recurring basis are summarized below: 

	As of November 30, 2019
(In thousands)	Level 1		Level 2		Level 3		Fair Value
Cash and cash equivalents	$	226,535	$	—	$	—	$	226,535
Other assets, net:
Interest rate lock agreements	—		12,241		—		12,241
Total assets at fair value	$	226,535	$	12,241	$	—	$	238,776
Long-term accrued liabilities:
Interest rate lock agreements	$	—	$	58,274	$	—	$	58,274
Total liabilities at fair value	$	—	$	58,274	$	—	$	58,274

	As of May 31, 2019
(In thousands)	Level 1		Level 2		Level 3		Fair Value
Cash and cash equivalents	$	96,645	$	—	$	—	$	96,645
Total assets at fair value	$	96,645	$	—	$	—	$	96,645
Long-term accrued liabilities:
Interest rate lock agreements	$	—	$	36,393	$	—	$	36,393
Total liabilities at fair value	$	—	$	36,393	$	—	$	36,393