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Long-Lived Assets (Tables)
12 Months Ended
Dec. 31, 2016
Property, Plant and Equipment, Net, by Type [Abstract]  
Schedule Of Property And Equipment
Property and equipment at year end consisted of the following:
 
Depreciable Life
in Years
 
2016
 
2015
Land

 
$
37,339

 
37,671

Buildings and improvements
15 to 40

 
297,093

 
271,302

Automated distribution and warehouse equipment
5 to 30

 
216,276

 
204,708

Shelving, industrial vending, and equipment
3 to 10

 
723,854

 
548,921

Transportation equipment
3 to 5

 
71,750

 
61,429

Construction in progress

 
152,523

 
200,892

 
 
 
1,498,835

 
1,324,923

Less accumulated depreciation
 
 
(599,138
)
 
(506,034
)
Property and equipment, net
 
 
$
899,697

 
818,889