Amounts in Accumulated Other Comprehensive Income Loss Expected to be Recognized As Components of Net Periodic Benefit Cost During 2012 (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Prior service cost (credit)	$ (357)
Net loss	4,064
Total	3,707
U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Prior service cost (credit)	24
Net loss	3,285
Total	3,309
Non-U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Prior service cost (credit)	(15)
Net loss	1,028
Total	1,013
Other Postretirement Benefit Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Prior service cost (credit)	(366)
Net loss	(249)
Total	$ (615)