Accumulated Benefit Obligation in Excess of Plan Assets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
U.S. Plans
Schedule of Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Line Items]
Projected benefit obligation	$ 76,914	$ 74,867
Accumulated benefit obligation	76,914	74,867
Fair value of plan assets	60,185	54,687
Non-U.S. Plans
Schedule of Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Line Items]
Projected benefit obligation	262,386	223,833
Accumulated benefit obligation	242,937	205,957
Fair value of plan assets	$ 182,297	$ 160,397