CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2015	Nov. 30, 2014
Revenues:
Rentals and leases		$ 32,173	$ 33,469	$ 64,476	$ 67,358
Sales of equipment and other revenues		11,137	26,234	32,177	54,216
Total revenues	[1]	43,310	59,703	96,653	121,574
Operating expenses:
Depreciation of rental and lease equipment		14,340	14,670	28,941	28,585
Costs of rentals and leases, excluding depreciation		4,275	4,547	9,187	9,121
Costs of sales of equipment and other revenues		6,814	19,661	21,680	40,563
Selling, general and administrative expenses		14,431	14,598	29,202	29,619
Total operating expenses		39,860	53,476	89,010	107,888
Operating profit		3,450	6,227	7,643	13,686
Interest income/(expense), net		78	79	(164)	182
Other income		13	1,390	13	1,390
Income before income taxes		3,541	7,696	7,492	15,258
Income tax provision		1,351	2,901	2,832	5,692
Net income		$ 2,190	$ 4,795	$ 4,660	$ 9,566
Earnings per share:
Basic (in dollars per share)		$ 0.09	$ 0.20	$ 0.19	$ 0.39
Diluted (in dollars per share)		$ 0.09	$ 0.20	$ 0.19	$ 0.39
Shares used in per share calculation:
Basic (in shares)		24,440	24,404	24,426	24,380
Diluted (in shares)		24,447	24,408	24,433	24,393
Cash dividend declared per share (in dollars per share)		$ 0.125	$ 0.20	$ 0.25	$ 0.40

[1] Revenues by country are based on the shipping destination.