Share-Based Compensation (Schedule Of Share-Based Compensation Information) (Parenthetical) (Details) - USD ($)			12 Months Ended
	Jan. 01, 2019	Jun. 15, 2011	Dec. 31, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expense reduction related to forfeiture of restricted shares			$ 267,000
Chief Executive Officer [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares granted to Company's President		2,500,000
Chief Executive Officer [Member] | Scenario Forecast [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares granted to Company's President	250,000