Long-Lived Assets (Tables)

12 Months Ended

Dec. 31, 2015

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	2015			2014
Land	—	$	37,671		36,511
Buildings and improvements	15 to 40	271,302			224,365
Automated storage and retrieval equipment	5 to 30	139,101			116,127
Equipment and shelving	3 to 10	614,528			519,635
Transportation equipment	3 to 5	61,429			59,459
Construction in progress	—	200,892			237,637
		1,324,923			1,193,734
Less accumulated depreciation		(506,034		)	(429,845	)
Property and equipment, net		$	818,889		763,889