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Note 9 - Shareholders' Equity | 12 Months Ended
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Dec. 30, 2017
Notes to Financial Statements |
Stockholders' Equity Note Disclosure [Text Block] | 9 . Shareholders’ Equity Equity Plans : The Company has equity-based compensation plans authorizing the granting of stock options, restricted shares, restricted share units, performance shares and other stock rights to employees and directors. As of December 30, 2017, there were 1.3 million shares available for issuance of future awards under the Company’s equity-based compensation plans. Stock options vest over a three, four or five -year period and are exercisable over either a seven or ten -year period commencing from the date of the grant. Restricted shares and share units granted by the Company generally vest over three to four years. The following table provides a reconciliation of outstanding stock options for the fiscal year ended December 3 0, 2017.
|  | Shares Under Option |  |  | Weighted Average Price |  |  | Weighted Average Remaining Contract Life (Years) |  |  | Aggregate Intrinsic Value (000 ’s) |
Outstanding December 31, 2016 |  |  | 356,184 |  |  | $ | 98.65 |  |  |  |  |  |  |  |  |
Granted |  |  | 76,082 |  |  |  | 154.15 |  |  |  |  |  |  |  |  |
Exercised |  |  | (27,965 | ) |  |  | 84.93 |  |  |  |  |  |  |  |  |
Forfeited |  |  | — |  |  | NA |  |  |  |  |  |  |  |  |
Outstanding December 3 0, 2017 |  |  | 404,301 |  |  |  | 110.04 |  |  |  | 4.5 |  |  | $ | 35,488 |
Exercisable December 3 0, 2017 |  |  | 203,745 |  |  |  | 92.36 |  |  |  | 3.6 |  |  |  | 21,486 |
The following table provides a reconciliation of non-vested restricted share and share unit awards for the fiscal year ended December 3 0, 2017.
|  | Shares |  |  | Weighted Average Grant-Date Fair Value |
Nonvested December 31, 2016 |  |  | 207,330 |  |  | $ | 106.92 |
Granted |  |  | 95,621 |  |  |  | 151.91 |
Vested |  |  | (95,520 | ) |  |  | 102.49 |
Forfeited |  |  | (7,738 | ) |  |  | 111.56 |
Nonvested December 3 0, 2017 |  |  | 199,693 |  |  |  | 130.40 |
The total intrinsic value of options exercised during 201 7, 2016, and 2015 was $2.2 million, $13.3 million, and $5.0 million, respectively. The total fair value of shares vested was $15.0 million, $10.7 million, and $8.1 million for 2017, 2016, and 2015, respectively. The total amount of share-based liabilities paid was $0.9 million, $0.6 million and $0.4 million for 2017, 2016, and 2015, respectively. The Company recognizes compensation cost of all share-based awards as an expense on a straight-line basis over the vesting period of the awards. At December 30, 2017, the unrecognized compensation cost for options, restricted shares and performance shares was $15.9 million before tax, and will be recognized over a weighted-average period of 1.9 years. Compensation cost included as a component of selling, general, and administrative expense for all equity compensation plans discussed above was $17.3 million, $12.8 million, and $10.7 million for 2017, 2016, and 2015 , respectively. The total income tax benefit recognized in the Consolidated Statements of Net Income was $6.0 million, $4.4 million and $3.7 million for 2017, 2016, and 2015 , respectively. The Company uses the Black-Scholes option valuation model to determine the fair value of awards granted. The weighted average fair value of and related assumptions for options granted are as follows:
|  | 2017 |  |  | 201 6 |  |  | 201 5 |
Weighted average fair value of options granted |  |  | $30.77 |  |  |  | $26.06 |  |  |  | $21.99 |
Assumptions: |  |  |  |  |  |  |  |  |  |  |  |
Risk-free interest rate |  |  | 1.79% |  |  |  | 1.37% |  |  |  | 1.25% |
Expected dividend yield |  |  | 0.86% |  |  |  | 0.97% |  |  |  | 1.04% |
Expected stock price volatility |  |  | 23.0% |  |  |  | 26.0% |  |  |  | 28.0% |
Expected life of options (years) |  |  | 4.4 |  |  |  | 4.6 |  |  |  | 4.6 |
Expected volatilities are based on the historical volatility of the Company’s stock price. The expected life of options is based on historical data for options granted by the Company. The risk-free rates are based on yields available at the time of grant on U.S. Treasury bonds with maturities consistent with the expected life assumption. Accumulated Other Comprehensive Income (Loss) (“AOCI”) : The following table sets forth the changes in the components of AOCI by component for fiscal years 2017, 2016, and 2015:
(in thousands ) |  | Pension and postretirement liability and reclassification adjustments (a) |  |  | Gain (Loss) on investments |  |  | Foreign currency translation adjustment s |  |  | Accumulated other comprehensive income (loss) |
Balance at December 27, 2014 |  | $ | (29,615 | ) |  | $ | 10,791 |  |  | $ | (2,302 | ) |  | $ | (21,126 | )
201 5 activity |  |  | 20,893 |  |  |  | 793 |  |  |  | (46,231 | ) |  |  | (24,545 | )
Balance at January 2, 2016 |  |  | (8,722 | ) |  |  | 11,584 |  |  |  | (48,533 | ) |  |  | (45,671 | )
201 6 activity |  |  | (3,261 | ) |  |  | (815 | ) |  |  | (24,832 | ) |  |  | (28,908 | )
Balance at December 31, 2016 |  |  | (11,983 | ) |  |  | 10,769 |  |  |  | (73,365 | ) |  |  | (74,579 | )
2017 activity |  |  | 1,147 |  |  |  | (974 | ) |  |  | 10,738 |  |  |  | 10,911 |
Balance at December 30, 2017 |  | $ | (10,836 | ) |  | $ | 9,795 |  |  | $ | (62,627 | ) |  | $ | (63,668 | )
(a) Net of tax of $ 1.4 million, $1.1 million, and $0.7 million at December 30, 2017; December 31, 2016; and January 2, 2016, respectively. Preferred Stock : The Board of Directors may authorize the issuance of preferred stock from time to time in one or more series with such designations, preferences, qualifications, limitations, restrictions, and optional or other special rights as the Board may fix by resolution. The Company’s Board of Directors authorized the repurchase of up to 1,000,000 shares of the Company’s common stock under a program for the period May 1, 2017 to April 30, 2018. The Company did not repurchase any shares of its common stock during fiscal 2017 under the stock repurchase program.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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