Summary of significant accounting policies | 2. Summary of significant accounting policies Information regarding the Company’s significant accounting policies is contained in Note 2, “Summary of significant accounting policies,” to the consolidated financial statements in the Company’s Annual Report on Form 10-K Fiscal quarter The Company’s quarterly periods are the 13 weeks ending on the Saturday closest to April 30, July 31, October 31, and January 31. The Company’s second quarter in fiscal 2017 and 2016 ended on July 29, 2017 and July 30, 2016, respectively. Share-based compensation The Company measures share-based compensation cost on the grant date, based on the fair value of the award, and recognizes the expense on a straight-line method over the requisite service period for awards expected to vest. The Company estimated the grant date fair value of stock options using a Black-Scholes valuation model using the following weighted-average assumptions for the periods indicated: 26 Weeks Ended July 29, July 30, Volatility rate 31.0 % 35.0 % Average risk-free interest rate 1.6 % 1.2 % Average expected life (in years) 3.5 3.5 Dividend yield None None The Company granted 103 and 107 stock options during the 26 weeks ended July 29, 2017 and July 30, 2016, respectively. The compensation cost that has been charged against operating income for stock option grants was $2,235 and $1,999 for the 13 weeks ended July 29, 2017 and July 30, 2016, respectively. The compensation cost that has been charged against operating income for stock option grants was $4,377 and $3,982 for the 26 weeks ended July 29, 2017 and July 30, 2016, respectively. The weighted-average grant date fair value of these options was $70.12 and $52.72 for the 26 weeks ended July 29, 2017 and July 30, 2016, respectively. At July 29, 2017, there was approximately $22,633 of unrecognized compensation expense related to unvested stock options. The Company issued 42 and 50 restricted stock units during 26 weeks ended July 29, 2017 and July 30, 2016, respectively. The compensation cost that has been charged against operating income for restricted stock units was $2,354 and $1,884 for the 13 weeks ended July 29, 2017 and July 30, 2016, respectively. The compensation cost that has been charged against operating income for restricted stock units was $4,453 and $3,445 for the 26 weeks ended July 29, 2017 and July 30, 2016, respectively. At July 29, 2017, there was approximately $17,224 of unrecognized compensation expense related to restricted stock units. The Company issued 21 and 24 performance-based restricted stock units during the 26 weeks ended July 29, 2017 and July 30, 2016, respectively. The compensation cost that has been charged against operating income for performance-based restricted stock units was $1,569 and $957 for the 13 weeks ended July 29, 2017 and July 30, 2016, respectively. The compensation cost that has been charged against operating income for performance-based restricted stock units was $2,819 and $1,435 for the 26 weeks ended July 29, 2017 and July 30, 2016, respectively. At July 29, 2017, there was approximately $11,617 of unrecognized compensation expense related to performance-based restricted stock units. Recent accounting pronouncements not yet adopted Revenue Recognition from Contracts with Customers In May 2014, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) 2014-09, 2014-09). 2015-14 2014-09 2016-08, 2016-08), 2016-10, 2016-10), 2016-08 2016-10 2014-09. The Company is currently evaluating the overall impact that ASU 2014-09 2014-09 Leases In February 2016, the FASB issued ASU 2016-02, right-of-use right-of-use 2016-02 The Company is evaluating whether to early adopt the new standard in fiscal 2018. The Company’s ability to early adopt depends on system readiness, including software procured from third-party providers, and completing an analysis of information necessary to restate prior period consolidated financial statements. The Company formed a project team to review the current accounting policies and practices and assess the effect of the standard on the consolidated financial statements. The team has completed a preliminary assessment of the potential impact of adopting ASU 2016-02 2016-02 Liabilities – Extinguishments of Liabilities In March 2016, the FASB issued ASU 2016-04, 405-20): 2016-04 2016-04 2016-04 Statement of Cash Flows In August 2016, the FASB issued ASU 2016-15, 2016-15 2016-15 2016-15 2016-15 In November 2016, the FASB issued ASU 2016-18, Statement 2016-18 2016-18 2016-18 Compensation – Stock Compensation: Scope of Modification Accounting In May 2017, the FASB issued ASU 2017-09, Compensation non-substantive. 2017-09 2017-09 Recently adopted accounting pronouncements Compensation – Stock Compensation In March 2016, the FASB issued ASU 2016-09, paid-in non-public 2016-09 The Company adopted the new guidance prospectively in the first quarter of fiscal 2017. The adoption resulted in a decrease in the provision for income taxes of $1,406 and $9,139 for the 13 weeks and 26 weeks ended July 29, 2017, respectively, due to the recognition of excess tax benefits for options exercised and the vesting of equity awards. The extent of excess tax benefits or deficiencies is subject to variation in the Company’s stock price and timing/extent of restricted stock units vesting and employee stock option exercises. Additionally, the consolidated statements of cash flows now present such tax benefits or deficiencies as an operating activity on a prospective basis. Based on the adoption methodology applied, the statement of cash flows classification of prior periods has not been adjusted. As allowed under the new guidance, the Company did not change its accounting principles relative to elements of this standard and continued its existing practice of estimating the number of awards that will be forfeited. |