Consolidated Balance Sheets (Unaudited) (USD $) In Millions, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
ASSETS:
Available-for-sale debt securities, at fair value (amortized cost of $11,516.0 and $11,351.8)	$ 12,132.9	$ 11,890.0
Available-for-sale equity securities, at fair value (cost of $34.5 and $29.5)	42.1	35.7
Limited partnerships and other investments	613.0	601.3
Policy loans, at unpaid principal balances	2,374.8	2,379.3
Derivative instruments	180.6	174.8
Fair value option investments	89.2	86.6
Total investments	15,432.6	15,167.7
Cash and cash equivalents	209.6	194.3
Accrued investment income	182.5	175.6
Receivables	398.6	415.1
Deferred policy acquisition costs	1,122.1	1,162.8
Deferred income taxes	93.6	118.2
Other assets	144.5	164.6
Discontinued operations assets	67.8	69.2
Separate account assets	4,041.6	3,817.6
Total assets	21,692.9	21,285.1
LIABILITIES:
Policy liabilities and accruals	12,971.0	12,981.1
Policyholder deposit funds	2,602.5	2,429.4
Indebtedness	426.9	426.9
Other liabilities	645.3	613.8
Discontinued operations liabilities	57.4	58.3
Separate account liabilities	4,041.6	3,817.6
Total liabilities	20,744.7	20,327.1
STOCKHOLDERS' EQUITY:
Common stock, $0.01 par value: 116.3 million and 116.3 million shares outstanding	1.3	1.3
Additional paid-in capital	2,630.8	2,630.5
Accumulated other comprehensive loss	(136.8)	(134.8)
Accumulated deficit	(1,367.6)	(1,359.5)
Treasury stock, at cost: 11.3 million and 11.3 million shares	(179.5)	(179.5)
Total stockholders' equity	948.2	958.0
Total liabilities and stockholders' equity	$ 21,692.9	$ 21,285.1