Segment Information (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2018 USD ($)	Jul. 02, 2017 USD ($)	Jul. 01, 2018 USD ($) item	Jul. 02, 2017 USD ($)	Dec. 31, 2017 USD ($)
Segment information
Number of geographic segments | item			3
Net Sales	$ 407.9	$ 378.5	$ 786.4	$ 725.7
Consolidated operating income (loss)	52.2	44.8	96.1	80.5
Interest income	(0.1)	(0.2)	(0.5)	(0.4)
Interest expense	4.4	5.0	8.7	9.8
Other (income) expense, net	(1.8)	0.2	(1.1)	0.5
INCOME BEFORE INCOME TAXES	49.7	39.8	89.0	70.6
Capital Expenditures	7.9	5.2	15.2	11.0
Depreciation and Amortization	12.3	13.6	25.0	25.7
Identifiable assets (at end of period)	1,647.3	1,711.9	1,647.3	1,711.9	$ 1,736.5
Property, plant and equipment, net (at end of period)	196.2	191.6	196.2	191.6	$ 198.5
U.S.
Segment information
Property, plant and equipment, net (at end of period)	107.6	102.3	107.6	102.3
Reportable segments
Segment information
Consolidated operating income (loss)	61.2	54.1	113.9	98.6
Corporate
Segment information
Consolidated operating income (loss)	(9.0)	(9.3)	(17.8)	(18.1)
Intersegment sales
Segment information
Net Sales	31.6	28.0	54.3	54.3
Americas
Segment information
Net Sales	272.0	250.5	513.1	479.2
Capital Expenditures	5.3	3.8	9.9	8.1
Depreciation and Amortization	7.2	8.0	14.3	15.1
Identifiable assets (at end of period)	1,027.3	1,077.0	1,027.3	1,077.0
Property, plant and equipment, net (at end of period)	111.6	106.0	111.6	106.0
Americas | U.S.
Segment information
Net Sales	254.3	234.9	479.5	448.6
Americas | Reportable segments
Segment information
Consolidated operating income (loss)	46.7	39.6	83.1	70.7
Americas | Intersegment sales
Segment information
Net Sales	3.4	3.6	6.0	6.4
Europe
Segment information
Net Sales	117.1	110.7	240.1	215.6
Capital Expenditures	2.2	1.3	4.7	2.6
Depreciation and Amortization	4.5	4.6	9.4	8.9
Identifiable assets (at end of period)	510.1	523.2	510.1	523.2
Property, plant and equipment, net (at end of period)	77.8	78.4	77.8	78.4
Europe | Reportable segments
Segment information
Consolidated operating income (loss)	12.9	12.7	27.8	25.1
Europe | Intersegment sales
Segment information
Net Sales	3.5	4.0	6.9	7.9
APMEA
Segment information
Net Sales	18.8	17.3	33.2	30.9
Capital Expenditures	0.4	0.1	0.6	0.3
Depreciation and Amortization	0.6	1.0	1.3	1.7
Identifiable assets (at end of period)	109.9	111.7	109.9	111.7
Property, plant and equipment, net (at end of period)	6.8	7.2	6.8	7.2
APMEA | Reportable segments
Segment information
Consolidated operating income (loss)	1.6	1.8	3.0	2.8
APMEA | Intersegment sales
Segment information
Net Sales	$ 24.7	$ 20.4	$ 41.4	$ 40.0