Retirement Plans - Schedule of Components of Net Periodic Pension Cost (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Benefit Plans [Line Items]
Service cost	$ 1.8		$ 0.2
Interest cost	2.6	$ 2.8	2.7
Expected return on plan assets	(3.3)	(3.2)	(3.0)
Amortization of prior service costs	0.1	0.1	0.1
Recognized net loss due to settlement	0.2
Amortization of net actuarial loss	0.2	0.4	0.3
Employees contribution	(0.2)
Net periodic pension cost	1.4	0.1	0.3
U.S. Plan [Member]
Benefit Plans [Line Items]
Interest cost	0.6	0.7	0.3
Expected return on plan assets	(0.9)	(0.9)	(0.4)
Amortization of prior service costs	0.1	0.1	0.1
Recognized net loss due to settlement	0.1
Amortization of net actuarial loss	0.2	0.2	0.1
Net periodic pension cost	0.1	0.1	0.1
International Plans [Member]
Benefit Plans [Line Items]
Service cost	1.8		0.2
Interest cost	2.0	2.1	2.4
Expected return on plan assets	(2.4)	(2.3)	(2.6)
Recognized net loss due to settlement	0.1
Amortization of net actuarial loss		$ 0.2	0.2
Employees contribution	(0.2)
Net periodic pension cost	$ 1.3		$ 0.2