Major Customer, Segment and Geographic Information - Revenue for Each Class of Similar Products (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Net sales for each class of similar products
Net sales	$ 1,870,036	$ 1,613,343	$ 2,217,712
Revenue Benchmark | Licensed products
Net sales for each class of similar products
Concentration risk percentage	100.00%	100.00%	100.00%
Total watches
Net sales for each class of similar products
Net sales	$ 1,512,398	$ 1,306,701	$ 1,805,088
Total watches | Revenue Benchmark | Licensed products
Net sales for each class of similar products
Concentration risk percentage	80.90%	81.00%	81.40%
Traditional Watches
Net sales for each class of similar products
Net sales	$ 1,288,499	$ 1,057,939	$ 1,479,637
Traditional Watches | Revenue Benchmark | Licensed products
Net sales for each class of similar products
Concentration risk percentage	68.90%	65.60%	66.70%
Smartwatches
Net sales for each class of similar products
Net sales	$ 223,899	$ 248,762	$ 325,451
Smartwatches | Revenue Benchmark | Licensed products
Net sales for each class of similar products
Concentration risk percentage	12.00%	15.40%	14.70%
Leathers
Net sales for each class of similar products
Net sales	$ 157,642	$ 173,621	$ 238,619
Leathers | Revenue Benchmark | Licensed products
Net sales for each class of similar products
Concentration risk percentage	8.40%	10.70%	10.80%
Jewelry
Net sales for each class of similar products
Net sales	$ 158,845	$ 96,062	$ 120,570
Jewelry | Revenue Benchmark | Licensed products
Net sales for each class of similar products
Concentration risk percentage	8.50%	6.00%	5.40%
Other
Net sales for each class of similar products
Net sales	$ 41,151	$ 36,959	$ 53,435
Other | Revenue Benchmark | Licensed products
Net sales for each class of similar products
Concentration risk percentage	2.20%	2.30%	2.40%