Reconciliation From Federal Statutory Tax Rate To Effective Tax Rate (Detail)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Schedule Of Effective Tax Rates Line Items
Federal statutory tax rate	35.00%	35.00%	35.00%
Adjustment of uncertain tax positions	3.10%	30.20%	(4.00%)
Foreign tax rate differential	3.20%	15.50%	(6.10%)
Adjustment of interest on uncertain tax positions	0.60%	10.10%	0.60%
Domestic manufacturing deduction	0.50%	2.20%	(2.60%)
Acquisition-related expenses	(0.10%)	(0.10%)	1.20%
Change in valuation allowances	(4.40%)	(1.00%)	(4.40%)
State and local income taxes, net of U.S. federal income tax benefit		(1.60%)	(0.20%)
Restructuring and impairment charges	(40.10%)	(39.50%)	8.30%
International reorganization	3.90%
Foreign withholding tax	(1.70%)		2.20%
Enactment of Health Care Reform Act			1.00%
Other	(2.10%)	(1.80%)	1.80%
Effective income tax rate	(2.10%)	49.00%	32.80%