Condensed Consolidated Statements of Operations (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Revenues:
Net investment income	$ 351.5	$ 343.6
Fee income	192.2	193.7
Premiums	23.8	14.0
Broker-dealer commission revenue	59.8	62.1
Net realized capital gains (losses):
Total other-than-temporary impairments	(1.1)	(0.9)
Less: Portion of other-than-temporary impairment losses recognized in Other comprehensive income (loss)	0.8	0
Net other-than-temporary impairments recognized in earnings	(1.9)	(0.9)
Other net realized capital gains (losses)	(28.6)	(43.0)
Total net realized capital gains (losses)	(30.5)	(43.9)
Other revenue	(2.0)	1.5
Total revenues	594.8	571.0
Benefits and expenses:
Interest credited and other benefits to contract owners/policyholders	237.4	234.1
Operating expenses	189.4	193.3
Broker-dealer commission expense	59.8	62.1
Net amortization of Deferred policy acquisition costs and Value of business acquired	22.5	19.8
Total benefits and expenses	509.1	509.3
Income (loss) before income taxes	85.7	61.7
Income tax expense (benefit)	23.7	16.0
Net income (loss)	$ 62.0	$ 45.7