Restructuring and Reorganization Charges (Tables)

12 Months Ended

Dec. 31, 2017

Restructuring And Related Activities [Abstract]

Schedule of Activity in Business Restructuring and Reorganization Reserves

The activity in the business restructuring and reorganization reserves during 2017, 2016, and 2015 is as follows (in thousands):

							Disposition of
	Termination			Facilities			Business
	Benefits			Abandonment			Operations			Other			Total
January 1, 2015, balance	$	2,819		$	1,113		$	—		$	16		$	3,948
Charged to expense during period		4,544			1,175			(3,733	)		1,088			3,074
Cash payments		(5,694	)		(405	)	—				(30	)		(6,129	)
Adjustment for the gain on the disposition of business operations	—			—				3,733		—				3,733
Adjustment for asset impairment	—			—			—				(1,685	)		(1,685	)
Other		(32	)		(526	)	—				611			53
December 31, 2015, balance		1,637			1,357			—			—			2,994
Charged to expense during period		7,201			556			(6,611	)		(730	)		416
Cash payments		(6,781	)		(473	)	—			—				(7,254	)
Adjustment for the gain on the disposition of business operations	—			—				6,611		—				6,611
Other	357				(108	)	—				730			979
December 31, 2016, balance		2,414			1,332			—			—			3,746
Charged to expense during period		3,693			2,236			2,904			(37	)		8,796
Cash payments		(4,345	)		(1,329	)	—			—				(5,674	)
Adjustment for asset impairment	—				(231	)		(2,904	)	—				(3,135	)
Other		(646	)		1,024		—				37			415
December 31, 2017, balance	$	1,116		$	3,032		$	—		$	—		$	4,148