XML 86 R72.htm IDEA: XBRL DOCUMENT v3.10.0.1
SHARE BASED COMPENSATION Restricted Share Units Awarded (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 29, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Aggregate Fair Value Of Restricted Shares Granted To Employees and Trustees On Grant Date   $ 5.1 $ 4.8 $ 5.1  
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period   0      
Restricted Stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number   621,398 449,422 386,412 342,330
Subsequent Event [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost 420,385        
Interest Rate Swap Member Forward Starting [Member] | Subsequent Event [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Restricted Stock or Unit Expense $ 3.1