Restructuring Expenses (Tables)

6 Months Ended

Jun. 30, 2019

Restructuring and Related Activities [Abstract]

Changes in the Accrued Restructuring Liability

Changes in the accrued restructuring liability (in thousands) were as follows:

	Three months ended June 30, 2019
	Manufacturing Optimization Plan												Reorganization Plan
	Employee Termination Benefits			Accelerated Depreciation			Other			Total			Employee Termination Benefits			Total
Balance, beginning of period	$	22,401		$	—		$	187		$	22,588		$	1,051		$	23,639
Restructuring expense (benefit)	8			5,586			4,830			10,424			(1		)	10,423
Utilized - cash	(12,734		)	—			(4,294		)	(17,028		)	(882		)	(17,910		)
Utilized - non cash	—			(5,586		)	(696		)	(6,282		)	—			(6,282		)
Foreign currency changes	(14		)	—			(4		)	(18		)	(24		)	(42		)
Balance, end of period	$	9,661		$	—		$	23		$	9,684		$	144		$	9,828

	Three months ended July 1, 2018
	Manufacturing Optimization Plan												Reorganization Plan
	Employee Termination Benefits			Accelerated Depreciation			Other			Total			Employee Termination Benefits		Total
Balance, beginning of period	$	38,287		$	—		$	63		$	38,350		$	—	$	38,350
Restructuring expense	(1,186		)	9,746			3,810			12,370			—		12,370
Utilized - cash	(133		)	—			(3,793		)	(3,926		)	—		(3,926		)
Utilized - non cash	—			(9,746		)	—			(9,746		)	—		(9,746		)
Foreign currency changes	(210		)	—			(3		)	(213		)	—		(213		)
Balance, end of period	$	36,758		$	—		$	77		$	36,835		$	—	$	36,835

	Six months ended June 30, 2019
	Manufacturing Optimization Plan												Reorganization Plan
	Employee Termination Benefits			Accelerated Depreciation			Other			Total			Employee Termination Benefits			Total
Balance, beginning of period	$	24,958		$	—		$	79		$	25,037		$	3,461		$	28,498
Restructuring expense	17			13,965			10,466			24,448			(395		)	24,053
Utilized - cash	(15,334		)	—			(9,822		)	(25,156		)	(2,896		)	(28,052		)
Utilized - non cash	—			(13,965		)	(696		)	(14,661		)	—			(14,661		)
Foreign currency changes	20			—			(4		)	16			(26		)	(10		)
Balance, end of period	$	9,661		$	—		$	23		$	9,684		$	144		$	9,828

	Six months ended July 1, 2018
	Manufacturing Optimization Plan												Reorganization Plan
	Employee Termination Benefits			Accelerated Depreciation			Other			Total			Employee Termination Benefits		Total
Balance, beginning of period	$	—		$	—		$	—		$	—		$	—	$	—
Restructuring expense	39,605			15,359			4,248			59,212			—		59,212
Utilized - cash	(2,433		)	—			(4,167		)	(6,600		)	—		(6,600		)
Utilized - non cash	—			(15,359		)	—			(15,359		)	—		(15,359		)
Foreign currency changes	(414		)	—			(4		)	(418		)	—		(418		)
Balance, end of period	$	36,758		$	—		$	77		$	36,835		$	—	$	36,835