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Share-Based Compensation - RSUs / PSUs Outstanding (Details) - RSUs/PSUs - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 28, 2018
Dec. 29, 2017
Dec. 30, 2016
Jan. 01, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Outstanding (shares) 683,295 761,152 932,036 988,542
Outstanding Intrinsic Value $ 0.3      
Vested (shares) 249,767 235,332 126,250  
Vested Intrinsic Value $ 0.3      
$44.78        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise Price (usd per share) $ 44.78      
Outstanding (shares) 1,613      
Outstanding Intrinsic Value $ 0.0      
Vested (shares) 0      
Vested Intrinsic Value $ 0.0      
$46.35        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise Price (usd per share) $ 46.35      
Outstanding (shares) 101,539      
Outstanding Intrinsic Value $ 0.0      
Vested (shares) 0      
Vested Intrinsic Value $ 0.0      
$46.35        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise Price (usd per share) $ 46.35      
Outstanding (shares) 82,119      
Outstanding Intrinsic Value $ 0.0      
Vested (shares) 0      
Vested Intrinsic Value $ 0.0      
$40.03        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise Price (usd per share) $ 40.03      
Outstanding (shares) 25,693      
Outstanding Intrinsic Value $ 0.0      
Vested (shares) 0      
Vested Intrinsic Value $ 0.0      
$56.52        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise Price (usd per share) $ 56.52      
Outstanding (shares) 74,885      
Outstanding Intrinsic Value $ 0.0      
Vested (shares) 17,301      
Vested Intrinsic Value $ 0.0      
$56.52        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise Price (usd per share) $ 56.52      
Outstanding (shares) 30,826      
Outstanding Intrinsic Value $ 0.0      
Vested (shares) 0      
Vested Intrinsic Value $ 0.0      
$59.83        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise Price (usd per share) $ 59.83      
Outstanding (shares) 51,225      
Outstanding Intrinsic Value $ 0.0      
Vested (shares) 0      
Vested Intrinsic Value $ 0.0      
$49.75        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise Price (usd per share) $ 49.75      
Outstanding (shares) 28,022      
Outstanding Intrinsic Value $ 0.0      
Vested (shares) 0      
Vested Intrinsic Value $ 0.0      
$38.99        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise Price (usd per share) $ 38.99      
Outstanding (shares) 59,523      
Outstanding Intrinsic Value $ 0.0      
Vested (shares) 35,894      
Vested Intrinsic Value $ 0.0      
$38.99        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise Price (usd per share) $ 38.99      
Outstanding (shares) 20,763      
Outstanding Intrinsic Value $ 0.0      
Vested (shares) 0      
Vested Intrinsic Value $ 0.0      
$33.44        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise Price (usd per share) $ 33.44      
Outstanding (shares) 49,998      
Outstanding Intrinsic Value $ 0.0      
Vested (shares) 49,998      
Vested Intrinsic Value $ 0.0      
$25.52        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise Price (usd per share) $ 33.44      
Outstanding (shares) 10,513      
Outstanding Intrinsic Value $ 0.0      
Vested (shares) 0      
Vested Intrinsic Value $ 0.0      
$25.52        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise Price (usd per share) $ 25.52      
Outstanding (shares) 53,433      
Outstanding Intrinsic Value $ 0.1      
Vested (shares) 53,431      
Vested Intrinsic Value $ 0.1      
$26.52        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise Price (usd per share) $ 26.52      
Outstanding (shares) 54,291      
Outstanding Intrinsic Value $ 0.1      
Vested (shares) 54,291      
Vested Intrinsic Value $ 0.1      
$24.68        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise Price (usd per share) $ 24.68      
Outstanding (shares) 38,852      
Outstanding Intrinsic Value $ 0.1      
Vested (shares) 38,852      
Vested Intrinsic Value $ 0.1