XML 30 R76.htm IDEA: XBRL DOCUMENT

Shareholders' Equity Stockholders' Equity Assumptions Used in Black Scholes valuation for Options and SAR's (Details) (USD $)	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Per share weighted average fair value of grants	$ 23.01	$ 22.45	$ 25.80
Options and SAR's [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate	1.10%	1.30%	2.30%
Expected life (years)	7 years	7 years	7 years
Expected volatility	38.50%	37.60%	35.60%
Expected dividend yield	1.20%	1.20%	1.00%

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+ Details