CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Millions, unless otherwise specified	Total	Preferred Shares	Common Shares, at par value	Additional paid-in capital	Common Shares held in treasury	Retained earnings	Accum. other comprehensive loss	Non-controlling interest
Balances at Dec. 31, 2011	$ 1,549.3	$ 150.0	$ 0.1	$ 1,165.6	$ (22.0)	$ 259.7	$ (4.1)
Increase (Decrease) in Shareholders' Equity
Net income	250.9					250.9
Net change in foreign currency translation	0.5						0.5
Repurchases of Common Shares	(107.6)			(98.6)	(9.0)
Issuances of Common Shares from treasury				(0.8)	0.8
Expense recognized for RSUs	9.1			9.1
RSUs withheld for income taxes	(0.2)			(0.2)
Dividends declared on Common Shares	(18.0)					(18.0)
Dividends declared on Preferred Shares	(10.0)					(10.0)
Balances at Sep. 30, 2012	1,674.0	150.0	0.1	1,075.1	(30.2)	482.6	(3.6)
Balances at Dec. 31, 2012	1,629.4	150.0	0.1	1,056.0	(23.1)	449.7	(3.3)
Increase (Decrease) in Shareholders' Equity
Net income	131.3					127.8		3.5
Net change in foreign currency translation	(0.1)						(0.1)
Repurchases of Common Shares	(145.2)			(145.2)
Issuances of Common Shares from treasury				(4.9)	4.9
Expense recognized for RSUs	11.6			11.6
RSUs withheld for income taxes	(2.1)			(2.1)
Third party investment in Blue Capital	97.4							97.4
Dividends declared on Common Shares	(17.8)					(17.8)
Dividends declared on Preferred Shares	(10.0)					(10.0)
Balances at Sep. 30, 2013	$ 1,694.5	$ 150.0	$ 0.1	$ 915.4	$ (18.2)	$ 549.7	$ (3.4)	$ 100.9