Segment Reporting - Revenues and Income from Operations for Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Revenues
Net sales	$ 295,836	$ 287,659
Segment income (loss) from operations
Total income from operations	9,446	265
Fasteners, Hardware and Personal Protection Segment [Member]
Revenues
Net sales	213,176	201,602
Segment income (loss) from operations
Total income from operations	8,853	(2,553)
Consumer Connected Solutions Segment [Member]
Revenues
Net sales	56,308	57,401
Segment income (loss) from operations
Total income from operations	5,896	3,028
Canada Segment [Member]
Revenues
Net sales	26,352	28,656
Segment income (loss) from operations
Total income from operations	$ (5,303)	$ (210)