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13. Restructuring Costs (Details) - USD ($) $ in Millions	3 Months Ended	5 Months Ended	16 Months Ended
13. Restructuring Costs (Details) - USD ($) $ in Millions	Mar. 31, 2020	Mar. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 2.9	$ 2.9	$ 2.9	$ 3.2
Restructuring Charges			4.0
Restructuring Reserve, Accrual Adjustment	0.0
Payments for Restructuring	(0.3)
Facility Closing [Member] \| Accounts Payable and Accrued Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Current	2.7	2.7	2.7
Facility Closing [Member] \| Other Current Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Current	0.2	0.2	0.2
European and North American Reorganization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	14.0	14.0	14.0	25.3
Restructuring Charges		22.9
Restructuring Reserve, Accrual Adjustment	(2.4)
Payments for Restructuring	(8.6)
Restructuring Reserve, Foreign Currency Translation (Gain) Loss	(0.3)
European and North American Reorganization [Member] \| Cost of Goods and Service Benchmark [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	(1.5)
European and North American Reorganization [Member] \| Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	(0.5)
European and North American Reorganization [Member] \| Research and Development Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	(0.4)
European and North American Reorganization [Member] \| Life Science [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	2.9	2.9	2.9	6.2
Restructuring Reserve, Accrual Adjustment	(0.3)
Payments for Restructuring	(2.9)
Restructuring Reserve, Foreign Currency Translation (Gain) Loss	(0.1)
European and North American Reorganization [Member] \| Clinical Diagnostics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	11.1	$ 11.1	$ 11.1	$ 19.1
Restructuring Reserve, Accrual Adjustment	(2.1)
Payments for Restructuring	(5.7)
Restructuring Reserve, Foreign Currency Translation (Gain) Loss	$ (0.2)