Basis of Presentation and Principles of Consolidation (Tables)

9 Months Ended

Sep. 30, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Comparison of Earnings Per Share Calculation Methods

The impact of applying the Two-Class Method on both income from continuing operations and basic and diluted weighted average shares used to calculate earnings per common share is as follows:

	As Reported Under the Treasury Stock Method				Amount Allocated to Participating Securities						As Revised Under the Two-Class Method
	Three Months Ended		Nine Months Ended		Three Months Ended			Nine Months Ended			Three Months Ended		Nine Months Ended
In thousands, except per share data	September 30, 2014				September 30, 2014						September 30, 2014
Income from continuing operations used in basic per share calculation	$	22,123	$	73,562	$	(739	)	$	(2,294	)	$	21,384	$	71,268
Income from continuing operations used in diluted per share calculation	$	22,123	$	73,562	$	(731	)	$	(2,253	)	$	21,392	$	71,309
Weighted average shares used in basic per share calculation	18,798		20,792		—			—			18,798		20,792
Weighted average shares used in diluted per share calculation	19,147		21,372		(126		)	(186		)	19,021		21,186
Basic earnings per common share from continuing operations	$	1.18	$	3.54	$	(0.04	)	$	(0.11	)	$	1.14	$	3.43
Diluted earnings per common share from continuing operations	$	1.16	$	3.44	$	(0.04	)	$	(0.07	)	$	1.12	$	3.37