Reconciliation Of Changes In Level Three Pension Assets Measured At Fair Value On Recurring Basis (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Hedge Fund Of Funds
Schedule Of Reconciliation Of Changes In Fair Value Of Assets And Liabilities [Line Items]
Balance at beginning of year	$ 21,365	$ 20,624
Purchases
Sales/redemptions
Actual return on plan assets	1,175	741
Foreign currency adjustment
Balance at end of year	22,540	21,365
Structured Credit
Schedule Of Reconciliation Of Changes In Fair Value Of Assets And Liabilities [Line Items]
Balance at beginning of year	26,828
Purchases		26,000
Sales/redemptions
Actual return on plan assets	2,281	828
Foreign currency adjustment
Balance at end of year	29,109	26,828
Other Investments
Schedule Of Reconciliation Of Changes In Fair Value Of Assets And Liabilities [Line Items]
Balance at beginning of year	5	531
Purchases
Sales/redemptions		(509)
Actual return on plan assets		(35)
Foreign currency adjustment		18
Balance at end of year	$ 5	$ 5