Pretax Amounts Recognized in Accumulated Other Comprehensive Income Loss (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
U S Plans
Defined Benefit Plan Disclosure [Line Items]
Net loss in current year	$ (10,630)
Prior service cost	(58)
Amortization of prior service cost (credit)	105
Amortization of net loss	5,271
Total	(5,312)
Non U S Plans
Defined Benefit Plan Disclosure [Line Items]
Net loss in current year	(5,778)
Prior service cost	(206)
Amortization of prior service cost (credit)	9
Amortization of net loss	580
Exchange rate effect on amounts in OCI	(516)
Total	(5,911)
Pension Plans | U S Plans
Defined Benefit Plan Disclosure [Line Items]
Prior service cost (credit)	275	419
Net loss	51,240	49,509
Total	51,515	49,928
Pension Plans | Non U S Plans
Defined Benefit Plan Disclosure [Line Items]
Prior service cost (credit)	330	127
Net loss	15,496	8,781
Total	15,826	8,908
Other Postretirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Prior service cost (credit)	(2,325)	(2,697)
Net loss	5,279	2,198
Total	2,954	(499)
Net loss in current year	(3,314)
Prior service cost	(159)
Amortization of prior service cost (credit)	(214)
Amortization of net loss	225
Exchange rate effect on amounts in OCI	8
Total	$ (3,454)