Changes in Accumulated Other Comprehensive Income by Component (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ 37,176	[1]
Other comprehensive income (loss) before reclassifications	(33,704)	[1]
Other comprehensive income (loss) before reclassifications	(6,501)		2,009
Amounts reclassified from accumulated other comprehensive income	578	[1],[2]
Net current-period other comprehensive income (loss)	(33,126)	[1]	28,956
Net current-period other comprehensive income (loss)	(28,501)		27,251
Net current-period other comprehensive income (loss)	134		46
Net current-period other comprehensive income (loss)	1,742		(350)
Ending balance	4,050	[1]
Ending balance	4,050
Cumulative Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	58,374	[1]
Other comprehensive income (loss) before reclassifications	(28,501)	[1]
Amounts reclassified from accumulated other comprehensive income		[1],[2]
Net current-period other comprehensive income (loss)	(28,501)	[1]
Ending balance	29,873	[1]
Foreign Currency Gains And (Losses)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	22,162	[1]
Other comprehensive income (loss) before reclassifications	(6,501)	[1]
Amounts reclassified from accumulated other comprehensive income		[1],[2]
Net current-period other comprehensive income (loss)	(6,501)	[1]
Ending balance	15,661	[1]
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(314)	[1]
Other comprehensive income (loss) before reclassifications	(53)	[1]
Amounts reclassified from accumulated other comprehensive income	187	[1],[2]
Net current-period other comprehensive income (loss)	134	[1]
Ending balance	(180)	[1]
Accumulated Defined Benefit Plans Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(43,046)	[1]
Other comprehensive income (loss) before reclassifications	1,351	[1]
Amounts reclassified from accumulated other comprehensive income	391	[1],[2]
Net current-period other comprehensive income (loss)	1,742	[1]
Ending balance	$ (41,304)	[1]

[1] All amounts are net of tax. Amounts in parentheses indicate debits.

[2] See the following table for details concerning these reclassifications.