Operating Property And Equipment (Tables)

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

Schedule of operating property and equipment

	Estimated Useful  Lives	December 31,
		2015			2014
	(In years)	(In thousands)
Land	—	$	203,543		201,089
Buildings and improvements	10 — 40	776,304			766,360
Machinery and equipment	3 — 10	709,173			663,616
Other	3 — 10	109,554			103,557
		1,798,574			1,734,622
Accumulated depreciation		(1,083,604		)	(1,035,028	)
Total		$	714,970		699,594