CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Operating activities:
Net income	$ 111.0	$ 108.6
Adjustments to reconcile net income to net cash used for operating activities:
Depreciation and amortization	24.0	19.0
Deferred income taxes	30.6	29.2
Amortization of stock-based compensation	39.3	11.7
Investment (gains) losses, net	5.9	(1.1)
Amortization of debt discounts, premiums and deferred issuance costs	3.2	7.0
Payment of deferred commissions, net	(9.0)	(4.5)
Loss on extinguishment of debt	36.3
Other, net	4.8	0.2
Changes in working capital items:
Accounts receivable	3.5	(7.3)
Other current assets	(51.0)	(29.0)
Accounts payable and accrued compensation payable	(43.0)	8.0
Other current and non-current liabilities	(5.2)	(11.8)
Net operating activities	150.4	130.0
Investing activities:
Purchase of property and equipment	(7.7)	(7.5)
Purchases and settlements of investment securities	(77.2)	(159.4)
Proceeds from sales, settlements and maturities of investment securities	42.4	331.5
Acquisition of Kapstream, net of cash acquired of $7.3 million	(81.4)
Net investing activities	(123.9)	164.6
Financing activities:
Repayment of long-term debt	(380.3)	(98.9)
Proceeds from the issuance of debt	297.1
Debt issuance costs	(2.6)
Purchase of noncontrolling interests	(0.4)	(1.5)
Distributions to noncontrolling interests	(1.7)	(1.6)
Proceeds from stock option exercises and employee stock purchases	8.2	3.7
Excess tax benefit from equity-based compensation	7.7	1.0
Principal payments under capital lease obligations	(0.6)	(1.0)
Repurchase of common stock	(60.7)	(62.2)
Dividends paid to JCG shareholders	(48.6)	(43.6)
Net financing activities	(181.9)	(204.1)
Cash and cash equivalents:
Effect of foreign exchange rate changes	(4.7)	(0.1)
Net change	(160.1)	90.4
At beginning of year	452.5	344.5
At end of year	292.4	434.9
Supplemental cash flow information:
Cash paid for interest	17.2	15.6
Cash paid for income taxes, net of refunds	$ 77.5	$ 74.1