Inventories (Tables)

6 Months Ended

Jan. 31, 2012

Inventories [Abstract]

Components Of Inventory

	January 31, 2012		July 31, 2011
Materials	$	112,153	$	110,466
Work in process		34,524		33,917
Finished products		123,535		127,093
Total inventories	$	270,212	$	271,476