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15. Restructuring Costs (Details) - USD ($) $ in Millions	12 Months Ended			13 Months Ended	19 Months Ended	25 Months Ended	44 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2019	Dec. 31, 2019	Dec. 31, 2019
Restructuring Cost and Reserve [Line Items]
Document Fiscal Year Focus	2019
European Reorganization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	$ (0.1)	$ (0.2)	$ 0.5
Restructuring Charges							$ 12.7
Restructuring Reserve	0.0	1.6	6.3	$ 0.0	$ 0.0	$ 0.0	0.0
Payments for Restructuring	(0.8)	(4.4)
Restructuring Reserve, Translation and Other Adjustment	(0.7)	0.0
Restructuring Reserve, Foreign Currency Translation (Gain) Loss	0.0	(0.1)
European Reorganization [Member] | Cost of Goods and Service Benchmark [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	(0.1)	(0.1)	(0.2)
European Reorganization [Member] | Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	0.0	(0.1)	0.7
European Reorganization [Member] | Life Science [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	0.0	(0.1)
Restructuring Reserve	0.0	0.6	2.2	0.0	0.0	0.0	0.0
Payments for Restructuring	(0.3)	(1.5)
Restructuring Reserve, Translation and Other Adjustment	(0.3)	0.0
Restructuring Reserve, Foreign Currency Translation (Gain) Loss	0.0	0.0
European Reorganization [Member] | Clinical Diagnostics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	(0.1)	(0.1)
Restructuring Reserve	0.0	1.0	4.1	0.0	0.0	0.0	0.0
Payments for Restructuring	(0.5)	(2.9)
Restructuring Reserve, Translation and Other Adjustment	(0.4)	0.0
Restructuring Reserve, Foreign Currency Translation (Gain) Loss	0.0	(0.1)
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges				4.0
Facility Closing [Member] | Clinical Diagnostics [Member] | Other Operating Income (Expense) [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	0.0
Restructuring Charges		0.2
Facility Closing [Member] | Clinical Diagnostics [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	(0.1)
Restructuring Charges		3.9
Termination of a Diagnostics Research and Development Project and a Facility Closure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	(0.4)	0.3
Restructuring Charges	0.0	5.8
Restructuring Reserve	3.2	11.5	14.1	3.2	3.2	3.2	3.2
Payments for Restructuring	(7.7)	(8.4)
Restructuring Reserve, Foreign Currency Translation (Gain) Loss	(0.2)	(0.3)
Termination of a Diagnostics Research and Development Project and a Facility Closure [Member] | Cost of Goods and Service Benchmark [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	(0.3)
Restructuring Charges		5.4	2.3
Termination of a Diagnostics Research and Development Project and a Facility Closure [Member] | Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	0.0
Restructuring Charges		0.4	3.3
Termination of a Diagnostics Research and Development Project and a Facility Closure [Member] | Research and Development Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	0.1
Restructuring Charges		0.3	15.5
Termination of a Diagnostics Research and Development Project and a Facility Closure [Member] | Accounts Payable and Accrued Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	1.8			1.8	1.8	1.8	1.8
Termination of a Diagnostics Research and Development Project and a Facility Closure [Member] | Other Current Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0.2			0.2	0.2	0.2	0.2
Termination of a Diagnostics Research and Development Project and a Facility Closure [Member] | Other Noncurrent Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	1.2			1.2	1.2	1.2	1.2
Termination of a Diagnostics Research and Development Project [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges						21.4
Termination of a Diagnostics Research and Development Project [Member] | Clinical Diagnostics [Member] | Other Operating Income (Expense) [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	0.0	(0.1)
Restructuring Charges			10.1
Termination of a Diagnostics Research and Development Project [Member] | Clinical Diagnostics [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	(0.1)	0.4
Restructuring Charges			$ 11.0
European and North American Reorganization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	25.3
Restructuring Reserve	25.3	0.0		25.3	25.3	25.3	25.3
Payments for Restructuring	(1.1)
Restructuring Reserve, Translation and Other Adjustment	0.7
Restructuring Reserve, Foreign Currency Translation (Gain) Loss	0.4
European and North American Reorganization [Member] | Cost of Goods and Service Benchmark [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	4.8
European and North American Reorganization [Member] | Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	14.4
European and North American Reorganization [Member] | Research and Development Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	6.1
European and North American Reorganization [Member] | Life Science [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	6.2
Restructuring Reserve	6.2	0.0		6.2	6.2	6.2	6.2
Payments for Restructuring	(0.4)
Restructuring Reserve, Translation and Other Adjustment	0.3
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 Charges	19.1
Restructuring Reserve	19.1	0.0		$ 19.1	19.1	$ 19.1	$ 19.1
Payments for Restructuring	(0.7)
Restructuring Reserve, Translation and Other Adjustment	0.4
Restructuring Reserve, Foreign Currency Translation (Gain) Loss	0.3
GERMANY | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	$ (0.3)
Restructuring Charges		$ 1.7			$ 1.4

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability.

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