Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 29, 2012

Major classes of property, plant and equipment were as follows:


	December 29, 2012			December 31, 2011
	(In thousands)
Land and land improvements	$	411,245		$	484,805
Buildings and leasehold improvements		307,655			417,619
Machinery and equipment		511,070			853,127
Vessels and containers		149,173			156,356
Vessels and equipment under capital leases		84,322			85,987
Construction in progress		44,643			63,139

		1,508,108			2,061,033
Accumulated depreciation		(819,218	)		(1,150,304	)

	$	688,890		$	910,729

Depreciation is computed by the straight-line method over the estimated useful lives of the assets as follows:


		Years
Land improvements		3 to 40
Buildings and leasehold improvements		2 to 50
Machinery and equipment		3 to 20
Vessels and containers		5 to 20
Vessels and equipment under capital leases		Shorter of useful life or life of lease