XML 75 R57.htm IDEA: XBRL DOCUMENT v3.6.0.2
Statutory U.S. Federal Income Tax Rate Reconcilation to Effective Income Tax Rates (Detail)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]      
Statutory U.S. federal income tax rate 35.00% 35.00% 35.00%
State income taxes, net of related federal income tax benefit 1.50% 1.60% 1.60%
Foreign income taxed at different rates (6.50%) (4.90%) (4.80%)
Taxes related to unfavorable lower tax court ruling and audit progression in foreign tax jurisdictions 1.20% 0.00% 4.10%
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Percent 0.00% (2.30%) (1.20%)
Other, net 0.50% 1.50% 0.80%
Effective income tax rates 31.70% 30.90% 35.50%