Exhibit 11: Computation of Per Share Earnings
(amounts in thousands, except share data)

			Year ended December 31,
			2001			2000			1999
Basic
Net earnings before extraordinary item			$	136,476		$	82,252		$	66,695
Extraordinary item, net of tax				(4,383	)		—			—
Net earnings				132,093			82,252			66,695
Adjustment for dividends on convertible preferred shares				(308	)		(694	)		(831	)
Net earnings available to common stockholders			$	131,785		$	81,558		$	65,864
Weighted-average common shares outstanding				13,332,725			13,172,793			14,678,925
Net earnings per share before extraordinary item			$	10.21		$	6.19		$	4.49
Extraordinary item				(0.33	)		—			—
Net earnings per share			$	9.88		$	6.19		$	4.49
Diluted
Net earnings before extraordinary item			$	136,476		$	82,252		$	66,695
Extraordinary item, net of tax				(4,383	)		—			—
Net earnings available to common stockholders			$	132,093		$	82,252		$	66,695
Weighted-average common shares outstanding				13,332,725			13,172,793			14,678,925
Effect of dilutive securities:
	Stock options			643,555			315,560			292,580
	Conversion of preferred shares(1)			199,495			321,126			384,255
	Equity incentive plan			79,904			83,883			149,622
		Total		14,255,679			13,893,362			15,505,382
Net earnings per share before extraordinary item			$	9.57		$	5.92		$	4.30
Extraordinary item				(0.31	)		—			—
Net earnings per share			$	9.26		$	5.92		$	4.30

⁽¹⁾  The assumed conversion of preferred shares was dilutive for the years ended December 31, 2001, 2000 and 1999.