Inventories (Tables)

6 Months Ended

Jan. 31, 2015

Inventories [Abstract]

Components Of Inventory

	January 31,	July 31,
	2015	2014
Raw materials	$          110,783	$          112,522
Work in process	28,836	17,256
Finished products	132,388	123,573
Total inventories	$          272,007	$          253,351