Property and Equipment

12 Months Ended

May 31, 2017

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and Equipment

(In thousands)	2017		2016
Land	$	173,166	$	117,881
Buildings and improvements	624,615		509,193
Equipment	1,930,018		1,582,793
Leasehold improvements	32,679		28,412
Construction in progress	79,400		173,367
	2,839,878		2,411,646
Less: accumulated depreciation	1,516,377		1,417,954
	$	1,323,501	$	993,692

Interest expense is net of capitalized interest of $2.1 million and $1.1 million for the fiscal years ended May 31, 2017 and 2016, respectively.