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SHAREHOLDERS’ EQUITY (Tables) | 12 Months Ended
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Jul. 29, 2017
Equity [Abstract] |
Schedule of Share-based Compensation, Stock Options and Stock Appreciation Rights Award Activity | The following table summarizes option activity under all plans for the following years:
| 2017 |  | 2016 |  | 2015
| Shares |  | Weighted-average exercise price |  | Shares |  | Weighted-average exercise price |  | Shares |  | Weighted-average exercise price
Outstanding at beginning of year | 424 |  |  | $ | 27.77 |  |  | 473 |  |  | $ | 27.75 |  |  | 591 |  |  | $ | 26.41 |
Granted | — |  |  | — |  |  | 7 |  |  | 26.79 |  |  | 4 |  |  | 24.51 |
Exercised | (31 | ) |  | 25.75 |  |  | (30 | ) |  | 27.08 |  |  | (111 | ) |  | 21.41 |
Forfeited | (9 | ) |  | 26.46 |  |  | (26 | ) |  | 27.99 |  |  | (11 | ) |  | 18.83 |
Outstanding at end of year | 384 |  |  | $ | 27.91 |  |  | 424 |  |  | $ | 27.77 |  |  | 473 |  |  | $ | 27.75 |
Options exercisable at end of year | 371 |  |  | $ | 27.88 |  |  | 203 |  |  | $ | 26.76 |  |  | 248 |  |  | $ | 26.80 |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions | The fair value of each option award is estimated on the date of grant using the Black-Scholes Option Pricing Model using the weighted-average assumptions in the following table. The Company uses historical data for similar groups of employees in order to estimate the expected life of options granted. Expected volatility is based on the historical volatility of the Company’s stock for a period of years corresponding to the expected life of the option. The risk free interest rate is based on the U.S. Treasury yield curve at the time of grant for securities with a maturity period similar to the expected life of the option.
| 2016 |  | 2015
Expected life (years) | 5.0 |  |  | 5.0 |
Expected volatility | 31.1 | % |  | 29.8 | %
Expected dividend yield | 3.8 | % |  | 4.1 | %
Risk-free interest rate | 1.5 | % |  | 1.5 | %
Schedule of Share-based Compensation, Restricted Stock Units Award Activity | The following table summarizes restricted stock activity under all plans for the following years:
| 2017 |  | 2016 |  | 2015
| Shares |  | Weighted-average grant date fair value |  | Shares |  | Weighted-average grant date fair value |  | Shares |  | Weighted-average grant date fair value
Nonvested at beginning of year | 250 |  |  | $ | 28.77 |  |  | 271 |  |  | $ | 28.78 |  |  | 288 |  |  | $ | 28.83 |
Granted | 362 |  |  | 27.22 |  |  | 2 |  |  | 28.55 |  |  | 3 |  |  | 23.77 |
Vested | (246 | ) |  | 28.77 |  |  | (19 | ) |  | 28.83 |  |  | (20 | ) |  | 28.83 |
Forfeited | (5 | ) |  | 28.51 |  |  | (4 | ) |  | 28.83 |  |  | — |  |  | — |
Nonvested at end of year | 361 |  |  | $ | 27.22 |  |  | 250 |  |  | $ | 28.77 |  |  | 271 |  |  | $ | 28.78 |
Schedule of Dividends Declared and Paid | The Company declared and paid cash dividends on common stock as follows:
| 2017 |  | 2016 |  | 2015
Per share: |  |  |  |  |
Class A common stock | $ | 1.000 |  |  | $ | 1.000 |  |  | $ | 1.000 |
Class B common stock | 0.650 |  |  | 0.650 |  |  | 0.650 |
Aggregate: |  |  |  |  |  |  |  |
Class A common stock | $ | 9,983 |  |  | $ | 9,827 |  |  | $ | 9,749 |
Class B common stock | 2,805 |  |  | 2,807 |  |  | 2,828 |
| $ | 12,788 |  |  | $ | 12,634 |  |  | $ | 12,577 |

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for stock options and stock appreciation rights that were outstanding at the beginning and end of the year, exercisable at the end of the year, and the number of stock options and stock appreciation rights that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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