Consolidated Balance Sheets - USD ($) $ in Millions		Jun. 30, 2019	Dec. 31, 2018
Investments:
Fixed maturity securities available for sale, at fair value (amortized cost - $11,107.7 and $10,834.0 at June 30, 2019 and December 31, 2018, respectively)		$ 12,228.8	$ 11,257.1
Equity securities at fair value		392.2	378.8
Commercial mortgage loans on real estate, at amortized cost		783.1	759.6
Short-term investments		357.5	373.2
Other investments		668.1	635.2
Total investments		14,429.7	13,403.9
Cash and cash equivalents		1,490.4	1,254.0
Premiums and accounts receivable, net		1,745.7	1,643.5
Reinsurance recoverables		9,162.6	9,166.0
Accrued investment income		126.9	125.5
Deferred acquisition costs		5,767.6	5,103.0
Property and equipment, at cost less accumulated depreciation		419.2	392.5
Goodwill		2,338.0	2,321.8
Value of business acquired		2,554.7	3,157.8
Other intangible assets, net		564.1	622.4
Other assets		622.6	603.8
Assets held in separate accounts		1,831.3	1,609.7
Assets of consolidated investment entities	[1]	2,086.7	1,685.4
Total assets		43,139.5	41,089.3
Liabilities
Future policy benefits and expenses		9,445.9	9,240.9
Unearned premiums		15,934.6	15,648.0
Claims and benefits payable		2,722.2	2,813.7
Commissions payable		447.8	338.6
Reinsurance balances payable		321.8	330.9
Funds held under reinsurance		308.0	272.0
Accounts payable and other liabilities		2,598.5	2,240.5
Debt		2,007.3	2,006.0
Liabilities related to separate accounts		1,831.3	1,609.7
Liabilities of consolidated investment entities	[1]	1,761.8	1,455.1
Total liabilities		37,379.2	35,955.4
Commitments and contingencies (Note 17)
Stockholders’ equity
6.50% Series D mandatory convertible preferred stock, par value $1.00 per share, 2,875,000 shares authorized, issued and outstanding at June 30, 2019 and December 31, 2018		2.9	2.9
Common stock, par value $0.01 per share, 800,000,000 shares authorized, 161,489,702 and 161,153,454 shares issued and 61,207,965 and 61,908,979 shares outstanding at June 30, 2019 and December 31, 2018, respectively		1.6	1.6
Additional paid-in capital		4,509.2	4,495.6
Retained earnings		5,980.9	5,759.7
Accumulated other comprehensive income (loss)		328.7	(155.4)
Treasury stock, at cost; 100,259,737 and 99,244,475 shares at June 30, 2019 and December 31, 2018, respectively		(5,093.1)	(4,992.4)
Total Assurant, Inc. stockholders’ equity		5,730.2	5,112.0
Non-controlling interests		30.1	21.9
Total equity		5,760.3	5,133.9
Total liabilities and equity		$ 43,139.5	$ 41,089.3

[1] The following table presents information on assets and liabilities related to consolidated investment entities as of June 30, 2019 and December 31, 2018.   June 30, 2019   December 31, 2018   (in millions) Assets       Cash and cash equivalents $ 84.8
  $ 62.6
Investments, at fair value 1,977.1
  1,576.2
Other receivables 24.8
  46.6
Total assets $ 2,086.7
  $ 1,685.4
Liabilities       Collateralized loan obligation notes, at fair value 1,616.5
  1,316.7
Other liabilities 145.3
  138.4
Total liabilities $ 1,761.8
  $ 1,455.1