Stock Based Compensation - Stock Options - Outstanding and Exercisable (Detail) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Jan. 01, 2016	Dec. 26, 2014	Dec. 27, 2013	Dec. 28, 2012
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price (usd per share)	$ 25.65	$ 26.41	$ 25.74	$ 24.12
Outstanding (shares)	760,503	2,115,606	3,972,795	5,195,134
Outstanding Intrinsic Value	$ 9.9
Exercisable (shares)	202,303	994,606	2,349,795
Exercisable Intrinsic Value	$ 3.2
Range 1
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price (usd per share)	$ 14.77
Remaining Contractual Life	3 years 4 months
Outstanding (shares)	30,000
Outstanding Intrinsic Value	$ 0.7
Exercisable (shares)	30,000
Exercisable Intrinsic Value	$ 0.7
Range 2
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price (usd per share)	$ 15.78
Remaining Contractual Life	7 months 13 days
Outstanding (shares)	8,609
Outstanding Intrinsic Value	$ 0.2
Exercisable (shares)	8,609
Exercisable Intrinsic Value	$ 0.2
Range 3
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price (usd per share)	$ 17.35
Remaining Contractual Life	1 year 1 month 27 days
Outstanding (shares)	6,250
Outstanding Intrinsic Value	$ 0.1
Exercisable (shares)	6,250
Exercisable Intrinsic Value	$ 0.1
Range 4
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price (usd per share)	$ 19.76
Remaining Contractual Life	2 months
Outstanding (shares)	6,250
Outstanding Intrinsic Value	$ 0.1
Exercisable (shares)	6,250
Exercisable Intrinsic Value	$ 0.1
Range 5
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price (usd per share)	$ 19.83
Remaining Contractual Life	3 years 1 month 24 days
Outstanding (shares)	6,250
Outstanding Intrinsic Value	$ 0.1
Exercisable (shares)	6,250
Exercisable Intrinsic Value	$ 0.1
Range 6
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price (usd per share)	$ 21.72
Remaining Contractual Life	3 years 6 months 30 days
Outstanding (shares)	13,500
Outstanding Intrinsic Value	$ 0.2
Exercisable (shares)	13,500
Exercisable Intrinsic Value	$ 0.2
Range 7
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price (usd per share)	$ 22.25
Remaining Contractual Life	2 years 6 months 29 days
Outstanding (shares)	24,970
Outstanding Intrinsic Value	$ 0.4
Exercisable (shares)	24,970
Exercisable Intrinsic Value	$ 0.4
Range 8
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price (usd per share)	$ 22.46
Remaining Contractual Life	6 years 2 months
Outstanding (shares)	32,200
Outstanding Intrinsic Value	$ 0.5
Exercisable (shares)	0
Exercisable Intrinsic Value	$ 0.0
Range 9
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price (usd per share)	$ 23.76
Remaining Contractual Life	5 years 7 months 2 days
Outstanding (shares)	37,391
Outstanding Intrinsic Value	$ 0.6
Exercisable (shares)	37,391
Exercisable Intrinsic Value	$ 0.6
Range 10
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price (usd per share)	$ 24.29
Remaining Contractual Life	6 years 7 months
Outstanding (shares)	181,133
Outstanding Intrinsic Value	$ 2.6
Exercisable (shares)	36,133
Exercisable Intrinsic Value	$ 0.5
Range 11
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price (usd per share)	$ 26.52
Remaining Contractual Life	7 years 1 month 19 days
Outstanding (shares)	64,400
Outstanding Intrinsic Value	$ 0.8
Exercisable (shares)	0
Exercisable Intrinsic Value	$ 0.0
Range 12
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price (usd per share)	$ 28.01
Remaining Contractual Life	7 years 6 months 30 days
Outstanding (shares)	65,800
Outstanding Intrinsic Value	$ 0.7
Exercisable (shares)	14,200
Exercisable Intrinsic Value	$ 0.2
Range 13
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price (usd per share)	$ 28.09
Remaining Contractual Life	7 years 6 months 30 days
Outstanding (shares)	168,400
Outstanding Intrinsic Value	$ 1.8
Exercisable (shares)	0
Exercisable Intrinsic Value	$ 0.0
Range 14
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price (usd per share)	$ 28.89
Remaining Contractual Life	8 years 3 months 29 days
Outstanding (shares)	96,600
Outstanding Intrinsic Value	$ 1.0
Exercisable (shares)	0
Exercisable Intrinsic Value	$ 0.0
Range 15
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price (usd per share)	$ 33.97
Remaining Contractual Life	2 years 1 month 26 days
Outstanding (shares)	18,750
Outstanding Intrinsic Value	$ 0.1
Exercisable (shares)	18,750
Exercisable Intrinsic Value	$ 0.1