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 interests
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	96.6					95.4		1.2
Net change in foreign currency translation	(3.5)						(3.5)
Repurchases of Common Shares	(36.8)			(36.8)
Issuances of Common Shares from treasury				(4.5)	4.5
Expense recognized for RSUs	3.3			3.3
RSUs withheld for income taxes	(2.0)			(2.0)
Net investment in non-controlling interests	(31.4)							(31.4)
Dividends declared - Common Shares	(6.2)					(6.2)
Dividends declared - Preferred Shares	(3.3)					(3.3)
Balances at Mar. 31, 2013	1,708.9	150.0	0.1	1,016.0	(18.6)	535.6	(6.8)	32.6
Balances at Dec. 31, 2013	1,887.0	150.0	0.1	900.5	(18.9)	612.8	(2.4)	244.9
Increase (Decrease) in Shareholders' Equity
Net income	102.2					93.2		9.0
Net change in foreign currency translation	0.2						0.2
Repurchases of Common Shares	(70.3)			(66.3)	(4.0)
Issuances of Common Shares from treasury				(4.9)	3.9	1.0
Expense recognized for RSUs	3.0			3.0
RSUs withheld for income taxes	(1.8)			(1.8)
Net investment in non-controlling interests	(0.2)							(0.2)
Dividends declared - non-controlling interests	(1.9)							(1.9)
Dividends declared - Common Shares	(5.9)					(5.9)
Dividends declared - Preferred Shares	(3.3)					(3.3)
Balances at Mar. 31, 2014	$ 1,909.4	$ 150.0	$ 0.1	$ 830.5	$ (19.0)	$ 697.8	$ (2.2)	$ 252.2