Impairment and Restructuring Charges - Impairment by Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Restructuring Cost and Reserve
Severance costs	$ 1,892	$ 1,878
Other exit costs	399	207
Total restructuring costs	2,291	2,085
Impairments	4,254	1,634
Total impairment and restructuring charges	6,545	3,719
Operating Segments | North America
Restructuring Cost and Reserve
Severance costs	944	531
Other exit costs	(1)	(4)
Total restructuring costs	943	527
Impairments	0	1,431
Total impairment and restructuring charges	943	1,958
Operating Segments | Europe
Restructuring Cost and Reserve
Severance costs	911	1,148
Other exit costs	195	0
Total restructuring costs	1,106	1,148
Impairments	895	161
Total impairment and restructuring charges	2,001	1,309
Operating Segments | Australasia
Restructuring Cost and Reserve
Severance costs	47	199
Other exit costs	217	224
Total restructuring costs	264	423
Impairments	0	42
Total impairment and restructuring charges	264	465
Corporate and Unallocated Costs
Restructuring Cost and Reserve
Severance costs	(10)	0
Other exit costs	(12)	(13)
Total restructuring costs	(22)	(13)
Impairments	3,359	0
Total impairment and restructuring charges	$ 3,337	$ (13)