Income Taxes - Additional Information (Detail)	3 Months Ended		12 Months Ended												12 Months Ended						12 Months Ended						12 Months Ended
	Dec. 31, 2012 USD ($)	Dec. 31, 2012 EUR (€)	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	Dec. 31, 2012 Spanish Tax Withholding [Member] USD ($)	Dec. 31, 2012 Other liabilities [Member] USD ($)	Dec. 31, 2011 Other liabilities [Member] USD ($)	Dec. 31, 2010 Other liabilities [Member] USD ($)	Dec. 31, 2012 Other Current Liabilities [Member] USD ($)	Dec. 31, 2011 Other Current Liabilities [Member] USD ($)	Dec. 31, 2012 2013 to 2031 [Member] USD ($)	Dec. 31, 2011 2013 to 2031 [Member] USD ($)	Dec. 31, 2012 Indefinite [Member] USD ($)	Dec. 31, 2012 2004-2010 [Member] USD ($)	Dec. 31, 2012 2004-2010 [Member] Spanish tax charges [Member] USD ($)	Dec. 31, 2012 2004-2010 [Member] Spanish tax charges [Member] EUR (€)	Dec. 31, 2012 2002-2003 [Member] USD ($)	Dec. 31, 2012 2002-2003 [Member] EUR (€)	Dec. 31, 2012 2002-2003 [Member] Spanish tax charges [Member] USD ($)	Dec. 31, 2012 2002-2003 [Member] Minimum [Member]	Dec. 31, 2012 2002-2003 [Member] Maximum [Member]	Dec. 31, 2012 2011 [Member] USD ($)	Dec. 31, 2012 2011 [Member] EUR (€)	Dec. 31, 2012 1995-2001 [Member] USD ($)	Dec. 31, 2012 1995-2001 [Member] EUR (€)	Dec. 31, 2012 1995-2001 [Member] Minimum [Member]	Dec. 31, 2012 1995-2001 [Member] Maximum [Member]	Dec. 31, 2012 2002-2011 [Member]
Income Taxes [Line Items]
U.S. federal tax rate			35.00%	35.00%	35.00%
Overall Spanish tax settlement			$ 72,400,000												$ 56,000,000
Reversals of liabilities for uncertain tax positions	1,000,000		1,000,000	5,000,000	6,000,000
Unrecognized tax benefits that would impact effective tax rate							36,400,000	65,900,000	63,900,000	4,800,000	1,700,000
Reduction in accrual for interest and penalties	5,300,000		5,300,000
Income tax penalties and interest expense				2,000,000	1,000,000
Accrued interest and penalties	7,400,000		7,400,000	12,800,000	11,000,000					100,000
Net operating loss carryforwards	273,000,000		273,000,000										175,000,000
Operating loss carryforwards	308,900,000		308,900,000	210,886,000									6,000,000	267,000,000
Additional tax provision recorded												6,000,000
Tax credit carryforwards	36,000,000		36,000,000										36,000,000
Operating loss carryforwards, expiration date			2013 and 2032
Percentage of foreign dividend			100.00%
Deferred tax assets deferred income	187,200,000		187,200,000
Deferred tax asset	309,000,000		309,000,000
Valuation allowance for net operating loss carryforwards	268,000,000		268,000,000
Tax credits established against deferred tax assets	9,000,000		9,000,000
Valuation allowance established against certain other net deferred tax assets	174,000,000		174,000,000
Tax benefits credited to Shareholders' equity			400,000	2,000,000	3,000,000
Undistributed earnings of foreign subsidiaries	1,146,000,000		1,146,000,000
Assessment imposed																		29,300,000	22,200,000				28,500,000	21,600,000	10,800,000	8,200,000
Income tax examination, years under examination																					2002	2003	2011	2011
Payments pursuant to Spanish tax settlement	1,900,000,000	1,500,000,000	105,503,000													105,503,000	8,400,000
Increase in liabilities, uncertain tax positions			16,400,000
Bank guarantees needed to be posted to proceed with tax appeals																									10,500,000	7,900,000
Provision for uncertain tax positions	48,700,000		48,700,000			3,700,000														25,900,000					5,700,000	4,300,000
After tax expense due to the recognition of out-of-period tax adjustments																									$ 12,000,000
Income tax examination, years under examination																											1995	2001	2002 to 2011