Long-Lived Assets (Tables)

12 Months Ended

Dec. 31, 2011


	Depreciable life
	in years		2011			2010
Land		—	$	31,350			28,771
Buildings and improvements		31 to 40		172,372			161,444
Automated storage and retrieval equipment		15		61,371			50,731
Equipment and shelving		3 to 10		339,471			303,656
Transportation equipment		3 to 5		49,074			41,171
Construction in progress		—		71,466			46,559

				725,104			632,332
Less accumulated depreciation				(289,503	)		(268,913	)

Net property and equipment			$	435,601			363,419

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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