Share-Based Compensation - RSUs / PSUs Outstanding (Details) - RSUs/PSUs - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 27, 2019	Dec. 28, 2018	Dec. 29, 2017	Dec. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding (shares)	459,276	683,295	761,152	932,036
Outstanding Intrinsic Value	$ 1.6
Vested (shares)	52,903	249,767	235,332
Vested Intrinsic Value	$ 0.3
$27.71
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price (usd per share)	$ 27.71
Outstanding (shares)	77,347
Outstanding Intrinsic Value	$ 0.6
Vested (shares)	0
Vested Intrinsic Value	$ 0.0
$27.71
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price (usd per share)	$ 27.71
Outstanding (shares)	100,250
Outstanding Intrinsic Value	$ 0.7
Vested (shares)	0
Vested Intrinsic Value	$ 0.0
$26.55
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price (usd per share)	$ 26.55
Outstanding (shares)	4,018
Outstanding Intrinsic Value	$ 0.0
Vested (shares)	0
Vested Intrinsic Value	$ 0.0
$30.33
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price (usd per share)	$ 30.33
Outstanding (shares)	4,269
Outstanding Intrinsic Value	$ 0.0
Vested (shares)	0
Vested Intrinsic Value	$ 0.0
$44.78
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price (usd per share)	$ 44.78
Outstanding (shares)	1,216
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)	66,553
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)	45,507
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)	3,133
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)	40,678
Outstanding Intrinsic Value	$ 0.0
Vested (shares)	4,601
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)	20,643
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)	20,729
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)	14,721
Outstanding Intrinsic Value	$ 0.0
Vested (shares)	0
Vested Intrinsic Value	$ 0.0
$38.39
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price (usd per share)	$ 38.99
Outstanding (shares)	12,514
Outstanding Intrinsic Value	$ 0.0
Vested (shares)	11,034
Vested Intrinsic Value	$ 0.0
$38.39
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price (usd per share)	$ 38.99
Outstanding (shares)	10,428
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)	10,047
Outstanding Intrinsic Value	$ 0.0
Vested (shares)	10,047
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)	0
Outstanding Intrinsic Value	$ 0.0
Vested (shares)	0
Vested Intrinsic Value	$ 0.0
$26.52
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price (usd per share)	$ 25.52
Outstanding (shares)	10,735
Outstanding Intrinsic Value	$ 0.1
Vested (shares)	10,733
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)	10,929
Outstanding Intrinsic Value	$ 0.1
Vested (shares)	10,928
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)	5,559
Outstanding Intrinsic Value	$ 0.1
Vested (shares)	5,560
Vested Intrinsic Value	$ 0.1