Statements of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
OPERATING ACTIVITIES:
Net income (loss)	$ 55.7	$ (137.7)	$ (20.0)
Net realized investment (gains) losses	(3.4)	22.3	19.4
Policy acquisition costs deferred	(66.7)	(69.2)	(100.7)
Amortization of deferred policy acquisition costs	88.4	103.5	109.5
Interest credited	91.2	69.5	60.9
Equity in earnings of limited partnerships and other investments	(0.4)	(0.1)	(0.2)
Change in:
Accrued investment income	(7.2)	(8.5)	(12.2)
Deferred income taxes	0	(13.4)	(6.9)
Receivables	7.6	(3.5)	(3.2)
Reinsurance recoverable	(73.5)	(26.1)	(7.7)
Policy liabilities and accruals	(224.0)	(56.4)	(128.3)
Due to/from affiliate	0.5	(7.5)	21.1
Other operating activities, net	1.3	(38.3)	(54.0)
Cash provided by (used for) operating activities	(130.5)	(165.4)	(122.3)
Purchases of:
Available-for-sale debt securities	(985.6)	(852.8)	(1,133.7)
Short-term investments	(324.8)	(574.7)	(325.5)
Derivative instruments	(89.0)	(98.1)	(46.1)
Fair value investments	(21.1)	(5.7)	(34.3)
Sales, repayments and maturities of:
Available-for-sale debt securities	389.0	438.1	250.1
Short-term investments	489.8	425.8	288.3
Derivative instruments	42.9	26.7	63.8
Fair value investments	10.1	12.4	7.7
Contributions to limited partnerships	(4.3)	(2.1)	(1.2)
Distributions from limited partnerships	7.8	0.3	0.1
Policy loans, net	(2.8)	3.9	(2.9)
Other investing activities, net	0.7	(1.0)	(0.6)
Cash provided by (used for) investing activities	(487.3)	(627.2)	(934.3)
FINANCING ACTIVITIES:
Policyholder deposit fund deposits	920.8	1,074.7	1,225.4
Policyholder deposit fund withdrawals	(605.2)	(513.8)	(465.0)
Net transfers to/from separate accounts	325.1	265.3	311.6
Capital Contributions from Parent	45.0	0	0
Debt Issued	30.0	0	0
Cash provided by (used for) financing activities	715.7	826.2	1,072.0
Change in cash and cash equivalents	97.9	33.6	15.4
Cash and cash equivalents, beginning of year	83.1	49.5	34.1
Cash and cash equivalents, end of year	181.0	83.1	49.5
Supplemental Disclosure of Cash Flow Information
Income taxes paid (refunded)	(24.9)	40.9	(2.5)
Non-Cash Transactions During the Year
Investment exchanges	$ 33.4	$ 28.6	$ 26.4