XML 54 R42.htm IDEA: XBRL DOCUMENT v3.7.0.1
Property, Plant and Equipment (Detail) - USD ($)
$ in Thousands
Jan. 31, 2017
Jul. 31, 2016
Property, Plant and Equipment [Line Items]    
Total cost $ 525,740 $ 480,436
Less accumulated depreciation (150,386) (136,169)
Property, plant and equipment, net 375,354 344,267
Land    
Property, Plant and Equipment [Line Items]    
Total cost 47,482 46,422
Building and Building Improvements    
Property, Plant and Equipment [Line Items]    
Total cost 328,705 300,902
Machinery and Equipment    
Property, Plant and Equipment [Line Items]    
Total cost $ 149,553 $ 133,112