XML 36 R52.htm IDEA: XBRL DOCUMENT v2.4.0.6
Supplementary Balance Sheet Information (Composition Of Property, Plant And Equipment) (Details) (USD $)
In Thousands, unless otherwise specified
Jul. 31, 2012
Jul. 31, 2011
Balance Sheet Related Disclosures [Abstract]    
Land and land improvements $ 281,729 $ 271,742
Buildings and building improvements 838,780 801,582
Machinery and equipment 563,309 539,983
Furniture and fixtures 243,587 215,862
Software 81,659 64,408
Vehicles 44,798 40,627
Construction in progress 36,979 34,638
Gross property, plant and equipment 2,090,841 1,968,842
Accumulated depreciation (1,041,634) (947,106)
Property, plant and equipment, net $ 1,049,207 $ 1,021,736