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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2023
Income Tax Disclosure [Abstract]  
Schedule of Components of Income Tax Expense (Benefit)
Income tax expense (benefit) consists of:
(In thousands)Current
Expense
Deferred (Benefit) ExpenseTotal
December 31, 2023   
Domestic$352,891 $(43,456)$309,435 
Foreign44,372 16,750 61,122 
Total expense (benefit)$397,263 $(26,706)$370,557 
December 31, 2022   
Domestic$295,849 $(27,544)$268,305 
Foreign42,890 23,532 66,422 
Total expense (benefit)$338,739 $(4,012)$334,727 
December 31, 2021   
Domestic$239,090 $2,752 $241,842 
Foreign— 10,048 10,048 
Total expense$239,090 $12,800 $251,890 
Schedule of Effective Income Tax Rate Reconciliation
A reconciliation of the income tax expense and the amounts computed by applying the Federal and foreign income tax rate of 21% for 2023, 2022 and 2021 to pre-tax income are as follows:
(In thousands)202320222021
Computed “expected” tax expense$368,425 $361,133 $269,410 
Tax-exempt investment income(8,361)(10,815)(11,380)
Change in valuation allowance(10,883)(28,064)2,974 
Impact of foreign tax rates5,461 (453)(2,368)
State and local taxes12,271 8,976 4,230 
Other, net3,644 3,950 (10,976)
Total expense$370,557 $334,727 $251,890 
Schedule of Deferred Tax Assets and Liabilities
(In thousands)202320222021
Computed “expected” tax expense$368,425 $361,133 $269,410 
Tax-exempt investment income(8,361)(10,815)(11,380)
Change in valuation allowance(10,883)(28,064)2,974 
Impact of foreign tax rates5,461 (453)(2,368)
State and local taxes12,271 8,976 4,230 
Other, net3,644 3,950 (10,976)
Total expense$370,557 $334,727 $251,890 
At December 31, 2023 and 2022, the tax effects of differences that give rise to significant portions of the deferred tax asset and deferred tax liability are as follows:
(In thousands)20232022
Deferred tax asset:  
Loss reserve discounting$230,956 $192,181 
Unearned premiums200,938 180,326 
Unrealized investment losses126,693 228,456 
Net operating losses & foreign tax credits59,154 58,182 
Other-than-temporary impairments12,691 5,935 
Employee compensation plans68,062 63,313 
Other78,025 72,536 
Gross deferred tax asset776,519 800,929 
Less valuation allowance(36,283)(47,166)
Deferred tax asset740,236 753,763 
Deferred tax liability:  
Amortization of intangibles15,205 13,973 
Loss reserve discounting - transition rule9,894 14,843 
Deferred policy acquisition costs176,281 157,055 
Property, furniture and equipment43,501 45,887 
Investment funds161,867 125,525 
Other66,525 67,479 
Deferred tax liability473,273 424,762 
Net deferred tax asset$266,963 $329,001