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Computation of Earnings Per Common Share | 12 Months Ended
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Jan. 26, 2019
Earnings Per Share [Abstract] |
Computation of Earnings Per Common Share | 4. 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):
| Fiscal Year Ended |  | Six Months Ended |  | Fiscal Year Ended
| January 26, 2019 |  | January 27, 2018 |  | July 29, 2017 |  | July 30, 2016
Net income available to common stockholders (numerator) | $ | 62,907 |  |  | $ | 68,835 |  |  | $ | 157,217 |  |  | $ | 128,740 |
Weighted-average number of common shares (denominator) | 31,250,376 |  |  | 31,059,140 |  |  | 31,351,367 |  |  | 32,315,636 |
Basic earnings per common share | $ | 2.01 |  |  | $ | 2.22 |  |  | $ | 5.01 |  |  | $ | 3.98 |
Weighted-average number of common shares | 31,250,376 |  |  | 31,059,140 |  |  | 31,351,367 |  |  | 32,315,636 |
Potential shares of common stock arising from stock options, and unvested restricted share units(1) | 555,993 |  |  | 778,411 |  |  | 633,364 |  |  | 800,119 |
Potential shares of common stock issuable on conversion of 0.75% convertible senior notes due 2021(2) | 183,799 |  |  | 217,394 |  |  | — |  |  | — |
Total shares-diluted (denominator) | 31,990,168 |  |  | 32,054,945 |  |  | 31,984,731 |  |  | 33,115,755 |
Diluted earnings per common share | $ | 1.97 |  |  | $ | 2.15 |  |  | $ | 4.92 |  |  | $ | 3.89 |
Anti-dilutive weighted shares excluded from the calculation of earnings per common share:
Stock-based awards | 130,779 |  |  | 93,117 |  |  | 73,830 |  |  | 65,514 |
0.75% convertible senior notes due 2021 | 4,821,935 |  |  | 4,788,340 |  |  | 5,005,734 |  |  | 5,005,734 |
Warrants | 5,005,734 |  |  | 5,005,734 |  |  | 5,005,734 |  |  | 5,005,734 |
Total | 9,958,448 |  |  | 9,887,191 |  |  | 10,085,298 |  |  | 10,076,982 |
(1) The Company adopted ASU 2016-09 on a prospective basis effective July 30, 2017, the first day of the 2018 transition period. Under the amended guidance, excess tax benefits and tax deficiencies arising from the vesting and exercise of share-based awards are no longer included in the hypothetical proceeds used to repurchase shares when computing diluted earnings per common share under the treasury stock method. As a result, d iluted shares used in computing diluted earnings per common share for the 2018 transition period increased by approximately 177,575 shares. (2) Under the treasury stock method, the convertible senior notes will have a dilutive impact on earnings per common share if the Company’s average stock price for the period exceeds the $96.89 per share conversion price for the convertible senior notes. The warrants associated with the Company’s convertible senior notes will have a dilutive impact on earnings per common share if the Company’s average stock price for the period exceeds the $130.43 per share warrant strike price. During the first quarter of fiscal 2019, the second quarter of fiscal 2019, and the second quarter of the 2018 transition period, the Company’s average stock price of $110.46, $99.27, and $106.11, respectively, each exceeded the conversion price for the convertible senior notes. As a result, shares presumed to be issuable under the convertible senior notes that were dilutive during each period are included in the calculation of diluted earnings per share for fiscal 2019 and the 2018 transition period. As the Company’s average stock price did not exceed the strike price for the warrants, the underlying common shares were anti-dilutive as reflected in the table above. In connection with the offering of the convertible senior notes, the Company 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 the Company’s convertible senior notes, warrant transactions, and hedge transactions.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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