Inventory (Tables)

3 Months Ended

Aug. 31, 2015

Inventory

Summary of inventories

	August 31,		May 31,
	2015		2015
Raw materials and parts	$	40.7	$	43.1
Work-in-process	18.9		18.1
Aircraft and engine parts, components and finished goods	363.1		337.0
Aircraft held for sale and related support parts	55.9		57.8
	$	478.6	$	456.0