Restructuring and Impairment Charges (Summary of Severance Accrual Activity) (Detail) (Employee Severance [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Restructuring Reserve [Roll Forward]
Beginning Balance	$ 5,608
Provisions	4,174
Payments	(8,686)
Ending Balance	1,096
Streamlining and restructuring related activites [Member]
Restructuring Reserve [Roll Forward]
Beginning Balance	1,573
Provisions	4,174
Payments	(4,651)
Ending Balance	1,096
Bremen facility shut-down [Member]
Restructuring Reserve [Roll Forward]
Beginning Balance	0
Provisions	0
Payments	0
Ending Balance	0
Curamik finishing operations relocated to Hungary [Member]
Restructuring Reserve [Roll Forward]
Beginning Balance	4,035
Provisions	0
Payments	(4,035)
Ending Balance	$ 0