Consolidated Statements of Income - (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Interest and dividend income:
Commercial real estate	$ 149.6	$ 132.7
Commercial and industrial	106.4	103.9
Equipment financing	68.2	59.0
Residential mortgage	90.4	70.7
Home equity and other consumer	28.0	24.9
Total interest on loans	442.6	391.2
Securities	51.2	47.8
Loans held-for-sale	3.3	0.2
Short-term investments	2.0	1.3
Total interest and dividend income	499.1	440.5
Interest expense:
Deposits	78.9	81.2
Borrowings	15.4	17.7
Notes and debentures	8.8	8.8
Total interest expense	103.1	107.7
Net interest income	396.0	332.8
Provision for credit losses (notes 3 and 4)	33.5	5.6
Net interest income after provision for credit losses	362.5	327.2
Non-interest income:
Operating leases	12.6	12.7
Commercial banking lending fees	12.1	7.8
Insurance revenue	10.9	10.5
Cash management fees	7.4	6.8
Other non-interest income (note 2)	34.7	12.3
Total non-interest income	123.8	94.6
Non-interest expense:
Compensation and benefits	173.9	155.4
Occupancy and equipment	51.0	44.3
Professional and outside services	38.5	20.0
Amortization of other acquisition-related intangible assets (note 8)	10.7	6.7
Operating lease expense	9.8	9.4
Regulatory assessments	8.7	7.0
Other non-interest expense	27.5	34.4
Total non-interest expense	320.1	277.2
Income before income tax expense	166.2	144.6
Income tax expense (note 1)	35.8	30.0
Net income	130.4	114.6
Preferred stock dividend	3.5	3.5
Net income available to common shareholders	$ 126.9	$ 111.1
Earnings per common share (note 7):
Basic (USD per share)	$ 0.30	$ 0.30
Diluted (USD per share)	$ 0.30	$ 0.30
Bank service charges
Non-interest income:
Fees	$ 28.0	$ 25.2
Investment management fees
Non-interest income:
Fees	$ 18.1	$ 19.3