Reconciliations between Statutory Federal Income Tax Rate and Effective Income Tax Rate (Detail)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Schedule Of Effective Tax Rates [Line Items]
Federal statutory rate	35.00%	35.00%	35.00%
Goodwill impairment		(60.84%)
Tax effect of International items	(15.26%)	11.88%	(15.36%)
State taxes, net of federal benefit	(0.32%)	(0.90%)	1.18%
Uncertain tax contingencies	(4.06%)	4.85%	(2.66%)
Contingent consideration reversals	(2.04%)
Other, net	0.08%	0.08%	(0.39%)
Effective income tax rate, total	13.40%	(9.93%)	17.77%