3. Fair Value Measurements Contingent Consideration (Details) (USD $)	12 Months Ended							1 Months Ended	12 Months Ended		12 Months Ended								12 Months Ended								12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Jan. 31, 2013 QuantaLife [Member]	Dec. 31, 2013 QuantaLife [Member]	Oct. 04, 2011 QuantaLife [Member]	Dec. 31, 2013 QuantaLife [Member] Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2012 QuantaLife [Member] Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2013 CellSorter [Member]	Dec. 31, 2013 CellSorter [Member] Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Dec. 31, 2012 CellSorter [Member] Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Aug. 31, 2012 CellSorter [Member] Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]	Aug. 31, 2012 Development [Member] CellSorter [Member]	Aug. 31, 2012 Sales [Member] CellSorter [Member]	Dec. 31, 2013 Credit Adjusted Discount Rates Lower [Member] CellSorter [Member]	Dec. 31, 2013 Sales milestone minimum payment [Member] CellSorter [Member]	Dec. 31, 2013 Sales milestone year 1 maximum payment percentage [Member] CellSorter [Member]	Dec. 31, 2013 Sales milestone year 2 maximum payment percentage [Member] CellSorter [Member]	Dec. 31, 2013 Sales milestone year 3 maximum payment percentage [Member] CellSorter [Member]	Dec. 31, 2013 Sales Milestone year 1 purchase orders [Member] CellSorter [Member]	Dec. 31, 2013 Sales milestone year 2 purchase orders [Member] CellSorter [Member]	Dec. 31, 2013 Sales milestone year 3 purchase orders [Member] CellSorter [Member]	Dec. 31, 2013 Credit Adjusted Discount Rate Higher [Member] CellSorter [Member]	Dec. 31, 2013 Projected Volatility of Growth Rates Lower [Member] CellSorter [Member]	Dec. 31, 2013 Projected Volatility of Growth Rates Higher [Member] CellSorter [Member]	Dec. 31, 2013 Market Price of Risk [Member] CellSorter [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Business Combination, Contingent Consideration, Liability										$ 24,100,000						$ 44,600,000	$ 19,900,000	$ 24,700,000
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value				20,800,000	[1]	52,600,000	[1]							20,800,000	44,600,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High										48,000,000														20,000,000	30,000,000	45,000,000
Business Combination, Contingent Consideration Arrangements, Change in Range of Outcomes, Contingent Consideration, Liability, Significant Inputs																			.0097								.0193	0.13	.150	.01
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements								6,000,000	6,000,000				20,000,000
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings											2,000,000	16,100,000		3,800,000
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	(5,800,000)	(16,100,000)	0
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low																				$ 0
Business Acquisition, Contingent Consideration, Potential Percentage Payout																					60.00%	51.32%	50.38%

[1] The contingent consideration liability is included in the following accounts in the Consolidated Balance Sheet (in millions): December 31, 2013 December 31, 2012 Other current liabilities$6.1 $27.3Other long-term liabilities14.7 25.3 Total$20.8 $52.6