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Equity Compensation - RSU's (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 29, 2019 | Dec. 30, 2018 | Dec. 31, 2017
Equity Compensation |  |  |
Award vesting period, in years | 3 years |  |
Restricted Stock |  |  |
Equity Compensation |  |  |
Weighted Average Grant-Date Fair Value, Granted (in dollars per share) | $ 46.14 |  |
Restricted Shares, Granted | 414 |  |
Restricted Stock Units |  |  |
Equity Compensation |  |  |
Restricted Shares, Granted | 113,000 |  |
Restricted Stock Units | Minimum |  |  |
Equity Compensation |  |  |
Award vesting period, in years | 1 year |  |
Restricted Stock Units | Maximum |  |  |
Equity Compensation |  |  |
Award vesting period, in years | 3 years |  |
Time based restricted stock |  |  |
Equity Compensation |  |  |
Award vesting period, in years | 3 years | 3 years | 3 years
Restricted Shares, Granted | 212,000 | 260,000 | 73,000
Dividends declared to holders of time-based restricted stock (in dollars) | $ 310,000 | $ 185,000 | $ 128,000
Dividends declared to holders of time-based restricted stock (in dollars per share) | $ 0.90 | $ 0.90 | $ 0.85
Performance based restricted stock units |  |  |
Equity Compensation |  |  |
Risk-free interest rate (as a percent) | 2.50% |  |
Expected volatility (as a percent) | 33.90% |  |
Award vesting period, in years | 3 years | 3 years | 3 years
Award expiration period, in years | 10 years |  |
Weighted Average Grant-Date Fair Value, Granted (in dollars per share) | $ 44.95 |  |
Performance based restricted stock units | Executive Management |  |  |
Equity Compensation |  |  |
Restricted Shares, Granted | 89,000 | 70,000 | 13,000

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- Definition Amount of paid and unpaid cash, stock, and paid-in-kind dividends declared for award under share-based payment arrangement. + References No definition available. + Details
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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