XML 81 R65.htm IDEA: XBRL DOCUMENT v3.8.0.1
Income Taxes Income Taxes (Table 2) (Details) - USD ($)
 3 Months Ended 12 Months Ended
Dec. 31, 2017
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Current: [Abstract]        
Current Federal Tax Expense (Benefit)   $ 56,836,000 $ 47,655,000 $ 24,838,000
Current State and Local Tax Expense (Benefit)   5,746,000 6,063,000 4,136,000
Current Foreign Tax Expense (Benefit)   10,773,000 3,270,000 13,960,000
Current Income Tax Expense (Benefit)   73,355,000 56,988,000 42,934,000
Deferred: [Abstract]        
Deferred Federal Income Tax Expense (Benefit)   (22,061,000) (7,050,000) 16,976,000
Deferred State and Local Income Tax Expense (Benefit)   800,000 153,000 1,961,000
Deferred Foreign Income Tax Expense (Benefit)   1,095,000 (365,000) (3,060,000)
Deferred Income Tax Expense (Benefit) $ 31,908,000 (20,166,000) (7,262,000) 15,877,000
Provision for income taxes   $ 53,189,000 $ 49,726,000 $ 58,811,000