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Computation of Earnings Per Common Share
9 Months Ended
Oct. 24, 2020
Earnings Per Share [Abstract]  
Computation of Earnings Per Common Share Computation of Earnings per Common Share
The following table sets forth the computation of basic and diluted earnings per common share (dollars in thousands, except per share amounts):
 For the Three Months EndedFor the Nine Months Ended
 October 24, 2020October 26, 2019October 24, 2020October 26, 2019
Net income available to common stockholders (numerator)$33,926 $24,229 $38,532 $68,404 
Weighted-average number of common shares (denominator)31,878,583 31,502,543 31,744,199 31,480,759 
Basic earnings per common share$1.06 $0.77 $1.21 $2.17 
Weighted-average number of common shares31,878,583 31,502,543 31,744,199 31,480,759 
Potential shares of common stock arising from stock options, and unvested restricted share units546,717 324,302 362,462 330,746 
Total shares-diluted (denominator)32,425,300 31,826,845 32,106,661 31,811,505 
Diluted earnings per common share$1.05 $0.76 $1.20 $2.15 
Anti-dilutive weighted shares excluded from the calculation of earnings per common share:
Stock-based awards238,226 239,540 245,633 256,269 
0.75% convertible senior notes due 2021(1) (2)
601,349 5,005,734 2,116,093 5,005,734 
Warrants(1) (2)
601,349 5,005,734 2,116,093 5,005,734 
Total 1,440,924 10,251,008 4,477,819 10,267,737 

(1) Under the treasury stock method, our 0.75% convertible senior notes (“Notes”) will have a dilutive impact on earnings per common share if our average stock price for the period exceeds the $96.89 per share conversion price. Our average stock price did not exceed the per share conversion price during the three or nine months ended October 24, 2020; therefore, there was no dilutive impact on earnings per common share for these periods. The warrants associated with our Notes will have a dilutive impact on earnings per common share if our average stock price for the period exceeds the $130.43 per share warrant strike price. As our average stock price did not exceed the strike price for the warrants for any of the periods presented, the underlying common shares were anti-dilutive as reflected in the table above.

(2) In connection with the purchase of $401.7 million of the Notes in fiscal 2021 and $25.0 million in fiscal 2020, we unwound convertible note hedge transactions and warrants proportionately to the number of Notes, resulting in a decrease in the number of excluded weighted shares.

In connection with the offering of the Notes, we entered into convertible note hedge transactions with counterparties for the purpose of reducing the potential dilution to common stockholders from the conversion of the notes and offsetting any potential cash payments in excess of the principal amount of the notes. Prior to conversion, the convertible note hedge is not included for purposes of the calculation of earnings per common share as its effect would be anti-dilutive. Upon conversion, the convertible note hedge is expected to offset the dilutive effect of the convertible senior notes when the average stock price for the period is
above $96.89 per share. See Note 13, Debt, for additional information related to our convertible senior notes, warrant transactions, and hedge transactions.