Components of Accumulated Other Comprehensive Income (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended					6 Months Ended
	Jun. 30, 2013		Mar. 31, 2013		Jun. 30, 2012	Jun. 30, 2013		Jun. 30, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ 294,371	[1]	$ 408,901	[1]		$ 408,901	[1]
Before reclassifications to income	(117,012)	[1]	(117,547)	[1]
Reclassification to income	4,774	[1]	3,017	[1]
Net other comprehensive income (loss)	(112,238)	[1]	(114,530)	[1]	(68,736)	(226,768)		19,207
Ending Balance	182,133	[1]	294,371	[1]		182,133	[1]
Foreign Currency Translation Gains (Losses)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	495,738	[1]	613,492	[1]		613,492	[1]
Before reclassifications to income	(117,254)	[1]	(117,754)	[1]
Reclassification to income	0	[1]	0	[1]
Net other comprehensive income (loss)	(117,254)	[1]	(117,754)	[1]
Ending Balance	378,484	[1]	495,738	[1]		378,484	[1]
Retirement and Postretirement Benefit Plan Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(183,801)	[1]	(186,539)	[1]		(186,539)	[1]
Before reclassifications to income	242	[1]	207	[1]
Reclassification to income	4,290	[1],[2]	2,531	[1],[2]
Net other comprehensive income (loss)	4,532	[1]	2,738	[1]
Ending Balance	(179,269)	[1]	(183,801)	[1]		(179,269)	[1]
Deferred Loss On Interest Rate Derivative Hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(17,566)	[1]	(18,052)	[1]		(18,052)	[1]
Before reclassifications to income	0	[1]	0	[1]
Reclassification to income	484	[1],[3]	486	[1],[3]
Net other comprehensive income (loss)	484	[1]	486	[1]
Ending Balance	$ (17,082)	[1]	$ (17,566)	[1]		$ (17,082)	[1]

[1] All amounts are presented net of income taxes.

[2] Reclassifications before taxes of $4,850 and $5,704 for the three-month periods ended March 31, 2013 and June 30, 2013, respectively, are included in the computation of net periodic benefit expense. See Note G for additional information. Related income taxes of $2,319 and $1,414 for the three-month periods ended March 31, 2013 and June 30, 2013, respectively, are included in Income tax expense.

[3] Reclassifications before taxes of $741 for each of the three-month periods ended March 31, 2013 and June 30, 2013 are included in Interest expense. Related income taxes of $255 and $257 for the three-month periods ended March 31, 2013 and June 30, 2013, respectively, are included in Income tax expense.