CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows - operating activities
Premiums collected	$ 538,633	$ 527,567
Policyholder benefits paid	(399,465)	(368,000)
Policy acquisition and other operating expenses paid	(196,209)	(202,692)
Federal income taxes paid	(20,327)	(17,392)
Investment income collected	246,042	240,119
Interest expense paid	(7,316)	(7,140)
Other	(1,881)	(6,817)
Net cash provided by operating activities	159,477	165,645
Fixed maturities
Purchases	(1,111,958)	(958,561)
Sales	327,641	198,191
Maturities, paydowns, calls and redemptions	502,554	269,732
Purchase of other invested assets	(19,037)	(5,000)
Net cash provided by short-term and other investments	56,831	29,353
Net cash used in investing activities	(243,969)	(466,285)
Cash flows - financing activities
Dividends paid to shareholders	(31,975)	(29,421)
Principal borrowings on Bank Credit Facility	75,000	0
Maturity of Senior Notes due 2015	(75,000)	0
Acquisition of treasury stock	(15,775)	(5,411)
Exercise of stock options	1,518	7,324
Annuity contracts: variable, fixed and FHLB funding agreements
Deposits	422,195	611,721
Benefits, withdrawals and net transfers to Separate Account (variable annuity) assets	(258,076)	(237,016)
Life policy accounts
Deposits	742	864
Withdrawals and surrenders	(3,050)	(3,662)
Cash paid related to repurchase agreements	0	(25,848)
Change in bank overdrafts	7,153	5,092
Net cash provided by financing activities	122,732	323,643
Net increase in cash	38,240	23,003
Cash at beginning of period	11,675	18,189
Cash at end of period	$ 49,915	$ 41,192