CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenues:
Investment management fees	$ 231.0	$ 213.3	$ 687.3	$ 632.0
Performance fees	(1.2)	(14.0)	(7.9)	(47.2)
Shareowner servicing fees and other	44.0	37.7	129.0	113.6
Total revenue	273.8	237.0	808.4	698.4
Operating expenses:
Employee compensation and benefits	85.9	82.2	268.5	240.5
Long-term incentive compensation	17.6	11.6	57.5	36.1
Marketing and advertising	4.9	4.1	16.1	13.6
Distribution	36.8	33.2	105.7	98.5
Depreciation and amortization	9.0	6.2	24.0	19.0
General, administrative and occupancy	36.2	28.1	95.1	81.5
Total operating expenses	190.4	165.4	566.9	489.2
Operating Income	83.4	71.6	241.5	209.2
Interest expense	(8.0)	(7.6)	(22.5)	(25.9)
Investment gains (losses), net	(7.2)	1.3	(5.9)	1.1
Loss on extinguishment of debt	(36.3)		(36.3)
Other income (expense), net	1.2	(1.1)	(1.1)	(0.1)
Income before taxes	33.1	64.2	175.7	184.3
Income tax provision	(13.2)	(23.6)	(64.7)	(75.7)
Net income	19.9	40.6	111.0	108.6
Noncontrolling interests		0.3	(1.8)	(0.9)
Net income attributable to JCG	$ 19.9	$ 40.9	$ 109.2	$ 107.7
Earnings per share attributable to JCG common shareholders:
Basic (in dollars per share)	$ 0.11	$ 0.22	$ 0.58	$ 0.57
Diluted (in dollars per share)	0.10	0.22	0.56	0.57
Dividends paid (per share)	$ 0.09	$ 0.08	$ 0.26	$ 0.23
Other comprehensive loss, net of tax:
Net unrealized gain (loss) on available-for-sale securities	$ (1.9)		$ (2.6)	$ 2.3
Foreign currency translation loss	(7.5)		(7.5)
Reclassification for items included in net income		$ (1.8)		(2.3)
Total other comprehensive loss, net of tax	(9.4)	(1.8)	(10.1)
Comprehensive income	10.5	38.8	100.9	108.6
Comprehensive income attributable to noncontrolling interests		0.3	(1.8)	(0.9)
Comprehensive income attributable to JCG	$ 10.5	$ 39.1	$ 99.1	$ 107.7