Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, plant and equipment consist of the following:

	As of December 31
(in thousands)	2016			2015
Land	$	10,410		$	10,410
Buildings	88,256			83,642
Machinery, equipment and fixtures	433,652			438,388
Leasehold improvements	209,612			205,018
Construction in progress	36,728			13,517
	778,658			750,975
Less accumulated depreciation	(544,994		)	(519,852		)
	$	233,664		$	231,123