Consolidated Statements of Earnings - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Aug. 31, 2016	Aug. 31, 2015
Net sales	$ 737,549	$ 758,147
Cost of goods sold	590,267	645,131
Gross margin	147,282	113,016
Selling, general and administrative expense	81,056	75,951
Impairment of long-lived assets	0	3,000
Restructuring and other expense	1,328	3,069
Operating income	64,898	30,996
Other income (expense):
Miscellaneous income (expense), net	863	(578)
Interest expense	(7,870)	(7,854)
Equity in net income of unconsolidated affiliates	34,544	26,581
Earnings before income taxes	92,435	49,145
Income tax expense	23,899	14,150
Net earnings	68,536	34,995
Net earnings attributable to noncontrolling interests	2,969	3,027
Net earnings attributable to controlling interest	$ 65,567	$ 31,968
Basic
Average common shares outstanding	61,885	63,993
Earnings per share attributable to controlling interest	$ 1.06	$ 0.50
Diluted
Average common shares outstanding	64,337	66,065
Earnings per share attributable to controlling interest	$ 1.02	$ 0.48
Common shares outstanding at end of period	62,179	63,343
Cash dividends declared per share	$ 0.20	$ 0.19