Property and Equipment

12 Months Ended

May 31, 2016

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and Equipment

(In thousands)	2016		2015
Land	$	117,881	$	116,172
Buildings and improvements	509,316		501,742
Equipment	1,584,478		1,446,041
Leasehold improvements	28,530		26,023
Construction in progress	173,367		104,300
	2,413,572		2,194,278
Less: accumulated depreciation	1,419,335		1,322,857
	$	994,237	$	871,421

Interest expense is net of capitalized interest of $1.1 million and $0.6 million for the fiscal years ended May 31, 2016 and 2015, respectively. Interest was not capitalized during the fiscal year ended May 31, 2014.