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Property, Plant and Equipment
12 Months Ended
Aug. 31, 2015
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
6. Property, Plant and Equipment
Property, plant and equipment consists of the following (in thousands):
August 31,
20152014
Land and improvements$112,416$101,754
Buildings756,314736,853
Leasehold improvements630,595410,212
Machinery and equipment2,787,6412,152,828
Furniture, fixtures and office equipment147,502124,297
Computer hardware and software498,348461,239
Transportation equipment21,33320,598
Construction in progress89,606187,674
5,043,7554,195,455
Less accumulated depreciation and amortization2,239,4221,923,750
$2,804,333$2,271,705

Depreciation expense of approximately $504.7 million, $461.3 million and $382.6 million was recorded for fiscal years 2015, 2014 and 2013, respectively.

Maintenance and repair expense was approximately $205.5 million, $158.7 million and $153.8 million for fiscal years 2015, 2014 and 2013, respectively.

 As of August 31, 2015, the Company had $72.5 million for the acquisition of property, plant and equipment included in accounts payable for which cash payment has not been made and is considered a non-cash investing activity in the Consolidated Statements of Cash Flows.