Annual report pursuant to Section 13 and 15(d)

Basis of Presentation - Common Share Amounts Used to Compute Basic and Diluted Earnings Per Share (Detail)

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Basis of Presentation - Common Share Amounts Used to Compute Basic and Diluted Earnings Per Share (Detail)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Earnings Per Share [Abstract]      
Weighted average shares used in basic computations 102,620 112,359 117,540
Dilutive effect of exercise of equity grants outstanding 4,825 5,457 7,046
Dilutive effect of warrants   40 260
Weighted average shares used in diluted computations 107,445 117,856 124,846