Restructuring Costs (Restructuring Costs by Plan) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2017	Oct. 02, 2016	Oct. 01, 2017	Oct. 02, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring costs, net	$ 1,393	$ 215	$ 986	$ 131
Cumulative amount incurred to date	44,015		44,015
2016 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring costs, net	1,378		2,152
Cumulative amount incurred to date	3,465		3,465
2015 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring costs, net	16		(34)
Cumulative amount incurred to date	5,582		5,582
2014 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring costs, net	(1)		(1,132)
Cumulative amount incurred to date	8,371		8,371
2013 Plan
Restructuring Cost and Reserve [Line Items]
Cumulative amount incurred to date	7,915		7,915
2012 and Prior Plans
Restructuring Cost and Reserve [Line Items]
Cumulative amount incurred to date	18,682		18,682
Operating Segments | North American Residential
Restructuring Cost and Reserve [Line Items]
Cumulative amount incurred to date	5,403		5,403
Operating Segments | Europe
Restructuring Cost and Reserve [Line Items]
Restructuring costs, net	69		(27)
Cumulative amount incurred to date	17,736		17,736
Operating Segments | Architectural
Restructuring Cost and Reserve [Line Items]
Restructuring costs, net	1,378		2,152
Cumulative amount incurred to date	3,465		3,465
Operating Segments | Corporate & Other
Restructuring Cost and Reserve [Line Items]
Restructuring costs, net	(54)		(1,139)
Cumulative amount incurred to date	17,411		17,411
Operating Segments | 2016 Plan | North American Residential
Restructuring Cost and Reserve [Line Items]
Cumulative amount incurred to date	0		0
Operating Segments | 2016 Plan | Europe
Restructuring Cost and Reserve [Line Items]
Restructuring costs, net	0		0
Cumulative amount incurred to date	0		0
Operating Segments | 2016 Plan | Architectural
Restructuring Cost and Reserve [Line Items]
Restructuring costs, net	1,378		2,152
Cumulative amount incurred to date	3,465		3,465
Operating Segments | 2016 Plan | Corporate & Other
Restructuring Cost and Reserve [Line Items]
Restructuring costs, net	0		0
Cumulative amount incurred to date	0		0
Operating Segments | 2015 Plan | North American Residential
Restructuring Cost and Reserve [Line Items]
Cumulative amount incurred to date	0		0
Operating Segments | 2015 Plan | Europe
Restructuring Cost and Reserve [Line Items]
Restructuring costs, net	69		(27)
Cumulative amount incurred to date	2,308		2,308
Operating Segments | 2015 Plan | Architectural
Restructuring Cost and Reserve [Line Items]
Restructuring costs, net	0		0
Cumulative amount incurred to date	0		0
Operating Segments | 2015 Plan | Corporate & Other
Restructuring Cost and Reserve [Line Items]
Restructuring costs, net	(53)		(7)
Cumulative amount incurred to date	3,274		3,274
Operating Segments | 2014 Plan | North American Residential
Restructuring Cost and Reserve [Line Items]
Cumulative amount incurred to date	0		0
Operating Segments | 2014 Plan | Europe
Restructuring Cost and Reserve [Line Items]
Restructuring costs, net	0		0
Cumulative amount incurred to date	0		0
Operating Segments | 2014 Plan | Architectural
Restructuring Cost and Reserve [Line Items]
Restructuring costs, net	0		0
Cumulative amount incurred to date	0		0
Operating Segments | 2014 Plan | Corporate & Other
Restructuring Cost and Reserve [Line Items]
Restructuring costs, net	(1)		(1,132)
Cumulative amount incurred to date	8,371		8,371
Operating Segments | 2013 Plan | North American Residential
Restructuring Cost and Reserve [Line Items]
Cumulative amount incurred to date	3,025		3,025
Operating Segments | 2013 Plan | Europe
Restructuring Cost and Reserve [Line Items]
Cumulative amount incurred to date	2,733		2,733
Operating Segments | 2013 Plan | Architectural
Restructuring Cost and Reserve [Line Items]
Cumulative amount incurred to date	0		0
Operating Segments | 2013 Plan | Corporate & Other
Restructuring Cost and Reserve [Line Items]
Cumulative amount incurred to date	2,157		2,157
Operating Segments | 2012 and Prior Plans | North American Residential
Restructuring Cost and Reserve [Line Items]
Cumulative amount incurred to date	2,378		2,378
Operating Segments | 2012 and Prior Plans | Europe
Restructuring Cost and Reserve [Line Items]
Cumulative amount incurred to date	12,695		12,695
Operating Segments | 2012 and Prior Plans | Architectural
Restructuring Cost and Reserve [Line Items]
Cumulative amount incurred to date	0		0
Operating Segments | 2012 and Prior Plans | Corporate & Other
Restructuring Cost and Reserve [Line Items]
Cumulative amount incurred to date	$ 3,609		$ 3,609