INVESTMENT SECURITIES (Details) $ in Millions | 3 Months Ended | 6 Months Ended | |
Jun. 30, 2016USD ($)contractinstrumentitem | Jun. 30, 2015USD ($) | Jun. 30, 2016USD ($)contractinstrumentitem | Jun. 30, 2015USD ($) | Dec. 31, 2015USD ($)contractinstrumentitem |
Short-term investments: | | | | | |
Estimated Fair Value | $ 316.5 | | $ 316.5 | | $ 327.1 |
Available-for-sale securities. | | | | | |
OTTI charges | | | 0 | $ 0 | |
Net gains (losses): | | | | | |
Total | 0.2 | $ (1.4) | | 0.2 | |
Net gains (losses) in net income related to: | | | | | |
Investment gains (losses), net | 0.7 | (3.1) | 2.9 | 1.3 | |
Cash flows related to investment securities | | | | | |
Purchases and settlements | (25.9) | (47.5) | (49.6) | (61.9) | |
Sales, settlements and maturities | 7 | 27.1 | 63.4 | 30.4 | |
Seeded Investment Products | | | | | |
Available-for-sale securities. | | | | | |
Purchases and settlements | 2.4 | | 2.4 | | 1.1 |
Net gains (losses): | | | | | |
Total hedged seed investments | 3.7 | (3.3) | 7.1 | 1.3 | |
Investments related to deferred compensation plans | | | | | |
Net gains (losses) in net income related to: | | | | | |
Investment gains (losses), net | 0.3 | (0.1) | 0.3 | 0.2 | |
Other Investment Securities | | | | | |
Net gains (losses) in net income related to: | | | | | |
Investment gains (losses), net | 0.4 | | 0.4 | | |
Investments in advised funds | | | | | |
Net gains (losses) in net income related to: | | | | | |
Investment gains (losses), net | 0.1 | | 0.2 | 0.1 | |
Index Swaps, Credit default Swaps and Futures Contract | | | | | |
Net gains (losses) in net income related to: | | | | | |
Investment gains (losses), net | (3.7) | 1.9 | (7.3) | (1.1) | |
Consolidated VREs | Seeded Investment Products | | | | | |
Net gains (losses) in net income related to: | | | | | |
Investment gains (losses), net | 3.8 | (4.8) | 8.9 | 1.1 | |
Consolidated VREs | Noncontrolling interests in seeded investment products | | | | | |
Net gains (losses) in net income related to: | | | | | |
Investment gains (losses), net | (0.2) | (0.1) | 0.4 | 1 | |
Consolidated VIEs | | | | | |
Net gains (losses) in net income related to: | | | | | |
Investment gains (losses), net | | | (0.5) | | |
Cash flows related to investment securities | | | | | |
Purchases and settlements | | | (15.4) | | |
Sales, settlements and maturities | | | 49.2 | | |
Trading Securities | | | | | |
Short-term investments: | | | | | |
Estimated Fair Value | 239.6 | | 239.6 | | 256.1 |
Cash flows related to investment securities | | | | | |
Purchases and settlements | (18.9) | (35.6) | (33.3) | (46) | |
Sales, settlements and maturities | 4.3 | 23.8 | 58.4 | 25.9 | |
Trading Securities | Seeded Investment Products | | | | | |
Short-term investments: | | | | | |
Estimated Fair Value | $ 218.5 | | $ 218.5 | | $ 235.6 |
Number of separately managed accounts | item | 59 | | 59 | | 50 |
Net unrealized gains (losses) on trading securities still held at period end | $ 2.8 | (8.8) | $ 6.6 | (3.1) | |
Net gains (losses): | | | | | |
Total hedged seed investments | 3.6 | (2.8) | 7 | 1.7 | |
Trading Securities | Mutual Fund Share Awards | | | | | |
Short-term investments: | | | | | |
Estimated Fair Value | $ 116.1 | | $ 116.1 | | $ 135.4 |
Number of separately managed accounts | item | 16 | | 16 | | 15 |
Trading Securities | Pooled investment funds | | | | | |
Short-term investments: | | | | | |
Estimated Fair Value | $ 10.1 | | $ 10.1 | | $ 13.4 |
Number of separately managed accounts | item | 15 | | 15 | | 10 |
Trading Securities | Investments related to deferred compensation plans | | | | | |
Short-term investments: | | | | | |
Estimated Fair Value | $ 16.7 | | $ 16.7 | | $ 16.3 |
Trading Securities | Separate accounts | | | | | |
Short-term investments: | | | | | |
Estimated Fair Value | $ 92.3 | | $ 92.3 | | $ 86.8 |
Number of separately managed accounts | item | 28 | | 28 | | 25 |
Trading Securities | Investments in advised funds | | | | | |
Short-term investments: | | | | | |
Estimated Fair Value | $ 4.4 | | $ 4.4 | | $ 4.2 |
Trading Securities | Consolidated VREs | Mutual Fund Share Awards | | | | | |
Short-term investments: | | | | | |
Estimated Fair Value | $ 6.2 | | $ 6.2 | | $ 35.7 |
Number of separately managed accounts | item | 1 | | 1 | | 8 |
Trading Securities | Consolidated VIEs | Mutual Fund Share Awards | | | | | |
Short-term investments: | | | | | |
Estimated Fair Value | $ 49.2 | | $ 49.2 | | |
Number of separately managed accounts | item | 10 | | 10 | | |
Trading Securities | Unconsolidated VREs | Mutual Fund Share Awards | | | | | |
Short-term investments: | | | | | |
Estimated Fair Value | $ 60.7 | | $ 60.7 | | $ 99.7 |
Number of separately managed accounts | item | 5 | | 5 | | 7 |
Trading Securities | Unconsolidated VREs | Investments in advised funds | Minimum | | | | | |
Short-term investments: | | | | | |
Ownership percentage | 20.00% | | 20.00% | | 20.00% |
Trading Securities | Unconsolidated VREs | Investments in advised funds | Maximum | | | | | |
Short-term investments: | | | | | |
Ownership percentage | 50.00% | | 50.00% | | 50.00% |
Available-for-sale Securities | | | | | |
Cash flows related to investment securities | | | | | |
Purchases and settlements | $ (0.7) | (10.5) | $ (1.1) | (10.8) | |
Sales, settlements and maturities | 0.1 | | 0.1 | | |
Available-for-sale Securities | Seeded Investment Products | | | | | |
Short-term investments: | | | | | |
Seeded investment products | 76.9 | | 76.9 | | $ 71 |
Net gains (losses): | | | | | |
Total hedged seed investments | 0.1 | (0.5) | 0.1 | (0.4) | |
Available-for-sale Securities | Investments in advised funds | | | | | |
Short-term investments: | | | | | |
Estimated Fair Value | $ 76.9 | | $ 76.9 | | $ 71 |
Number of portfolios of funds | item | 46 | | 46 | | 41 |
Available-for-sale Securities | Unconsolidated VREs | | | | | |
Short-term investments: | | | | | |
Estimated Fair Value | $ 69.4 | | $ 69.4 | | $ 71 |
Available-for-sale securities. | | | | | |
Available-for-sale Securities, Amortized Cost Basis, Total | 70.8 | | 70.8 | | 75 |
Available-for-sale securities, Gross unrealized gains | 0.1 | | 0.1 | | 0.3 |
Available-for-sale securities, Gross unrealized losses | (1.5) | | (1.5) | | (3.9) |
Foreign currency translation | | | | | (0.4) |
Available-for-sale securities, Estimated fair value | 69.4 | | 69.4 | | 71 |
Available-for-sale Securities | Unconsolidated VREs | Investments in advised funds | | | | | |
Short-term investments: | | | | | |
Estimated Fair Value | $ 69.4 | | $ 69.4 | | $ 71 |
Number of portfolios of funds | item | 23 | | 23 | | 41 |
Available-for-sale Securities | Unconsolidated VIEs | | | | | |
Short-term investments: | | | | | |
Estimated Fair Value | $ 7.5 | | $ 7.5 | | |
Available-for-sale securities. | | | | | |
Available-for-sale Securities, Amortized Cost Basis, Total | 8.9 | | 8.9 | | |
Available-for-sale securities, Gross unrealized gains | 0.2 | | 0.2 | | |
Available-for-sale securities, Gross unrealized losses | (1.2) | | (1.2) | | |
Foreign currency translation | (0.4) | | (0.4) | | |
Available-for-sale securities, Estimated fair value | 7.5 | | 7.5 | | |
Available-for-sale Securities | Unconsolidated VIEs | Investments in advised funds | | | | | |
Short-term investments: | | | | | |
Estimated Fair Value | $ 7.5 | | $ 7.5 | | |
Number of portfolios of funds | item | 23 | | 23 | | |
Derivative Instruments | Seed capital economic hedge | | | | | |
Cash flows related to investment securities | | | | | |
Purchases and settlements | $ (6.3) | (1.4) | $ (15.2) | (5.1) | |
Sales, settlements and maturities | 2.6 | 3.3 | 4.9 | 4.5 | |
Cash Collateral | Seeded Investment Products | | | | | |
Available-for-sale securities. | | | | | |
Purchases and settlements | 0.9 | | 0.9 | | $ 4.7 |
Index Swap | | | | | |
Net gains (losses): | | | | | |
Gains (losses) on derivatives not designated as hedging | (0.1) | (0.3) | (0.4) | (1.7) | |
Index Swap | Seeded Investment Products | | | | | |
Available-for-sale securities. | | | | | |
Purchases and settlements | $ 0.6 | | $ 0.6 | | $ 0.9 |
Index Swap | Derivative Instruments | Not Designated as Hedging Instrument | | | | | |
Available-for-sale securities. | | | | | |
Number of positions of derivative | contract | 1 | | 1 | | 6 |
Notional value of derivative | $ 5 | | $ 5 | | $ 34.4 |
Index Swap | Derivative Instruments | Seeded Investment Products | | | | | |
Available-for-sale securities. | | | | | |
Number of positions of derivative | instrument | 88 | | 88 | | 96 |
Notional value of derivative | $ 27.1 | | $ 27.1 | | $ 40.9 |
Credit Default Swap | | | | | |
Net gains (losses): | | | | | |
Gains (losses) on derivatives not designated as hedging | | | $ (0.3) | | |
Credit Default Swap | Derivative Instruments | Not Designated as Hedging Instrument | | | | | |
Available-for-sale securities. | | | | | |
Number of positions of derivative | contract | 2 | | 2 | | 2 |
Notional value of derivative | $ 151.5 | | $ 151.5 | | $ 66.5 |
Foreign Currency Forward Contracts | Seeded Investment Products | | | | | |
Available-for-sale securities. | | | | | |
Purchases and settlements | $ 0.8 | | $ 0.8 | | $ 0.1 |
Foreign Currency Forward Contracts | Derivative Instruments | Seeded Investment Products | | | | | |
Available-for-sale securities. | | | | | |
Number of positions of derivative | instrument | 135 | | 135 | | 61 |
Notional value of derivative | $ 13.4 | | $ 13.4 | | $ 9.9 |
Futures | | | | | |
Available-for-sale securities. | | | | | |
Purchases and settlements | 0.3 | | 0.3 | | 0.3 |
Futures | Seeded Investment Products | | | | | |
Available-for-sale securities. | | | | | |
Purchases and settlements | $ 1 | | $ 1 | | $ 0.1 |
Futures | Derivative Instruments | Not Designated as Hedging Instrument | | | | | |
Available-for-sale securities. | | | | | |
Number of positions of derivative | contract | 46 | | 46 | | 38 |
Notional value of derivative | $ 150.1 | | $ 150.1 | | $ 91.7 |
Futures | Derivative Instruments | Seeded Investment Products | | | | | |
Available-for-sale securities. | | | | | |
Number of positions of derivative | instrument | 115 | | 115 | | 75 |
Notional value of derivative | $ 40 | | $ 40 | | $ 20.8 |
Option | Derivative Instruments | Seeded Investment Products | | | | | |
Available-for-sale securities. | | | | | |
Number of positions of derivative | instrument | 57 | | 57 | | 66 |
Notional value of derivative | $ 0.1 | | $ 0.1 | | $ 0.2 |
Futures | | | | | |
Net gains (losses): | | | | | |
Gains (losses) on derivatives not designated as hedging | $ (3.4) | $ 2.2 | $ (6.4) | $ 0.6 | |