Consolidated Statements of Earnings - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Aug. 31, 2017	Aug. 31, 2016
Net sales	$ 848,237	$ 737,549
Cost of goods sold	715,459	590,267
Gross margin	132,778	147,282
Selling, general and administrative expense	88,249	81,056
Restructuring and other expense	2,304	1,328
Operating income	42,225	64,898
Other income (expense):
Miscellaneous income, net	348	863
Interest expense	(8,807)	(7,870)
Equity in net income of unconsolidated affiliates	27,306	34,544
Earnings before income taxes	61,072	92,435
Income tax expense	12,998	23,899
Net earnings	48,074	68,536
Net earnings attributable to noncontrolling interests	2,540	2,969
Net earnings attributable to controlling interest	$ 45,534	$ 65,567
Basic
Average common shares outstanding	62,444	61,885
Earnings per share attributable to controlling interest	$ 0.73	$ 1.06
Diluted
Average common shares outstanding	64,590	64,337
Earnings per share attributable to controlling interest	$ 0.70	$ 1.02
Common shares outstanding at end of period	62,144	62,179
Cash dividends declared per share	$ 0.21	$ 0.20