XML 55 R34.htm IDEA: XBRL DOCUMENT v2.4.0.6
Inventory (Details) (USD $)
In Thousands, unless otherwise specified
Nov. 30, 2011
May 31, 2011
Inventory    
Raw materials and parts $ 60,465 $ 61,314
Work-in-process 67,090 51,725
Purchased aircraft, parts, engines and components held for sale 298,496 250,360
Total inventories $ 426,051 $ 363,399