INVESTMENT SECURITIES (Details) $ in Millions | 3 Months Ended | 6 Months Ended | |
Jun. 30, 2015USD ($)contractinstrumentitem | Jun. 30, 2014USD ($) | Jun. 30, 2015USD ($)contractinstrumentitem | Jun. 30, 2014USD ($) | Dec. 31, 2014USD ($)contractinstrumentitem |
Short-term investments: | | | | | |
Estimated Fair Value | $ 355.1 | | $ 355.1 | | $ 344 |
Net gains (losses): | | | | | |
Total | (1.4) | $ (0.3) | 0.2 | $ 0.5 | |
Net gains (losses) in net income related to: | | | | | |
Foreign currency translation losses | 0.1 | (0.4) | (0.4) | (1) | |
Foreign currency forward contract gains | | 0.1 | 0.2 | 0.8 | |
Total | 0.1 | (0.3) | (0.2) | (0.2) | |
Investment gains (losses), net | (3.1) | 0.9 | 1.3 | (0.2) | |
Cash flows related to investment securities | | | | | |
Purchases and settlements | (47.5) | (26.7) | (61.9) | (49.8) | |
Sales, settlements and maturities | 27.1 | 101.7 | 30.4 | 222 | |
Seeded Investment Products | | | | | |
Available-for-sale securities. | | | | | |
Gross amounts | 2.4 | | 2.4 | | 2.2 |
Net gains (losses): | | | | | |
Total hedged seed investments | (3.3) | 7.5 | 1.3 | 9.7 | |
Net gains (losses) in net income related to: | | | | | |
Investment gains (losses), net | (4.8) | 7.7 | 1.1 | 7.9 | |
Seeded investment products | | | | | |
Net gains (losses) in net income related to: | | | | | |
Investment gains (losses), net | (0.1) | 0.2 | 1 | 0.4 | |
Investments in advised funds | | | | | |
Net gains (losses) in net income related to: | | | | | |
Investment gains (losses), net | | 0.3 | 0.1 | | |
Index Swap and Futures Contract | | | | | |
Net gains (losses) in net income related to: | | | | | |
Investment gains (losses), net | 1.9 | (7.8) | (1.1) | (9.2) | |
Investments related to deferred compensation plans | | | | | |
Net gains (losses) in net income related to: | | | | | |
Investment gains (losses), net | (0.1) | 0.5 | 0.2 | 0.7 | |
Trading Securities | | | | | |
Short-term investments: | | | | | |
Estimated Fair Value | 272.9 | | 272.9 | | 275.7 |
Cash flows related to investment securities | | | | | |
Purchases and settlements | (35.6) | (18) | (46) | (32.1) | |
Sales, settlements and maturities | 23.8 | 19.8 | 25.9 | 116.2 | |
Trading Securities | Seeded Investment Products | | | | | |
Short-term investments: | | | | | |
Estimated Fair Value | 256 | | 256 | | 258.3 |
Gains (losses) on trading securities still held at period end | (8.8) | 7.9 | (3.1) | 8.8 | |
Net gains (losses): | | | | | |
Total hedged seed investments | (2.8) | 6 | 1.7 | 6.5 | |
Trading Securities | Mutual Fund Share Awards | | | | | |
Short-term investments: | | | | | |
Estimated Fair Value | 4.5 | | 4.5 | | 4.4 |
Trading Securities | Separately Managed Accounts | | | | | |
Short-term investments: | | | | | |
Estimated Fair Value | $ 100.2 | | $ 100.2 | | $ 66.5 |
Number of separately managed accounts | item | 32 | | 32 | | 31 |
Trading Securities | Investments in advised funds | | | | | |
Short-term investments: | | | | | |
Estimated Fair Value | $ 155.8 | | $ 155.8 | | $ 191.8 |
Number of separately managed accounts | item | 17 | | 17 | | 17 |
Trading Securities | Investments related to deferred compensation plans | | | | | |
Short-term investments: | | | | | |
Estimated Fair Value | $ 12.4 | | $ 12.4 | | $ 13 |
Available-for-sale Securities | | | | | |
Short-term investments: | | | | | |
Seeded investment products | 82.2 | | 82.2 | | 68.3 |
Available-for-sale securities. | | | | | |
OTTI charges | | | 0 | 0 | |
Available-for-Sale Securities | | | | | |
Realized gains | | 0.2 | | 0.2 | |
Realized losses | | | | (0.1) | |
Net realized gains (losses) | | 0.2 | | 0.1 | |
Cash flows related to investment securities | | | | | |
Purchases and settlements | (10.5) | (0.1) | (10.8) | (0.2) | |
Sales, settlements and maturities | | 80.7 | | 97.9 | |
Available-for-sale Securities | Seeded Investment Products | | | | | |
Short-term investments: | | | | | |
Estimated Fair Value | 82.2 | | 82.2 | | 68.3 |
Available-for-sale securities. | | | | | |
Available-for-sale Securities, Amortized cost | 84.4 | | 84.4 | | 68.6 |
Available-for-sale securities, Gross unrealized gains | 0.5 | | 0.5 | | 0.4 |
Available-for-sale securities, Gross unrealized losses | (2.3) | | (2.3) | | (0.6) |
Available-for-sale securities, Carrying value | 82.2 | | 82.2 | | 68.3 |
Net gains (losses): | | | | | |
Total hedged seed investments | (0.5) | 1.5 | (0.4) | 3.2 | |
Available-for-sale Securities | Investments in advised funds | | | | | |
Short-term investments: | | | | | |
Estimated Fair Value | $ 82.2 | | $ 82.2 | | $ 68.3 |
Number of portfolios of funds | item | 42 | | 42 | | 40 |
Derivative Instruments | Seed capital economic hedge | | | | | |
Cash flows related to investment securities | | | | | |
Purchases and settlements | $ (1.4) | (8.6) | $ (5.1) | (17.5) | |
Sales, settlements and maturities | 3.3 | 1.2 | 4.5 | 7.9 | |
Cash Collateral | Seeded Investment Products | | | | | |
Available-for-sale securities. | | | | | |
Gross amounts | 3.6 | | 3.6 | | $ 1.8 |
Index Swap | | | | | |
Available-for-sale securities. | | | | | |
Gross amounts | | | | | 0.3 |
Net gains (losses): | | | | | |
Gains (losses) on derivatives not designated as hedging | (0.3) | (5) | (1.7) | (4.8) | |
Index Swap | Seeded Investment Products | | | | | |
Available-for-sale securities. | | | | | |
Gross amounts | $ 2.1 | | $ 2.1 | | $ 1.4 |
Index Swap | Derivative Instruments | Not Designated as Hedging Instrument | | | | | |
Available-for-Sale Securities | | | | | |
Number of positions of derivative | contract | 6 | | 6 | | 4 |
Notional value of derivative | $ 67.9 | | $ 67.9 | | $ 56.8 |
Index Swap | Derivative Instruments | Seeded Investment Products | | | | | |
Available-for-Sale Securities | | | | | |
Number of positions of derivative | instrument | 136 | | 136 | | 117 |
Notional value of derivative | $ 54.7 | | $ 54.7 | | $ 65.8 |
Futures | | | | | |
Available-for-sale securities. | | | | | |
Gross amounts | 0.8 | | 0.8 | | |
Futures | Seeded Investment Products | | | | | |
Available-for-sale securities. | | | | | |
Gross amounts | $ 0.2 | | $ 0.2 | | $ 0.6 |
Futures | Derivative Instruments | Not Designated as Hedging Instrument | | | | | |
Available-for-Sale Securities | | | | | |
Number of positions of derivative | contract | 33 | | 33 | | 6 |
Notional value of derivative | $ 90.1 | | $ 90.1 | | $ 74.9 |
Futures | Derivative Instruments | Seeded Investment Products | | | | | |
Available-for-Sale Securities | | | | | |
Number of positions of derivative | instrument | 78 | | 78 | | 32 |
Notional value of derivative | $ 37.8 | | $ 37.8 | | $ 41.5 |
Foreign Currency Forward Contracts | Available-for-sale Securities | Seeded Investment Products | | | | | |
Available-for-sale securities. | | | | | |
Gross amounts | $ (0.4) | | $ (0.4) | | $ (0.1) |
Foreign Currency Forward Contracts | Derivative Instruments | Not Designated as Hedging Instrument | | | | | |
Available-for-Sale Securities | | | | | |
Number of positions of derivative | contract | 4 | | 4 | | 7 |
Notional value of derivative | $ 2.8 | | $ 2.8 | | $ 3.6 |
Foreign Currency Forward Contracts | Derivative Instruments | Seeded Investment Products | | | | | |
Available-for-Sale Securities | | | | | |
Number of positions of derivative | instrument | 45 | | 45 | | 37 |
Notional value of derivative | $ 11.4 | | $ 11.4 | | $ 2.4 |
Option | Seeded Investment Products | | | | | |
Available-for-sale securities. | | | | | |
Gross amounts | $ 0.1 | | $ 0.1 | | $ 0.2 |
Option | Derivative Instruments | Seeded Investment Products | | | | | |
Available-for-Sale Securities | | | | | |
Number of positions of derivative | instrument | 81 | | 81 | | 29 |
Notional value of derivative | $ 0.4 | | $ 0.4 | | $ 0.5 |
Futures Contract | | | | | |
Net gains (losses): | | | | | |
Gains (losses) on derivatives not designated as hedging | $ 2.2 | $ (2.8) | $ 0.6 | $ (4.4) | |