Business Combinations (Fair Values of the Business Combinations and Allocations for the Acquisitions Completed) (Details) (Human Health [Member], Caliper Life Sciences [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 01, 2012 years	Nov. 30, 2011
Business Acquisition [Line Items]
Business Acquisition, Cost of Acquired Entity, Cash Paid		$ 646,317
Less: cash acquired		(43,576)
Total		602,741
Current assets		55,756
Property, plant and equipment		14,580
Goodwill		352,494
Deferred taxes		54,068
Deferred revenue		(7,825)
Liabilities assumed		(43,532)
Total		602,741
Core Technology [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life	5
Identifiable intangible assets		52,000
Trade Names [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life	7
Identifiable intangible assets		14,200
Licensing Agreements [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life	6
Identifiable intangible assets		18,000
Customer Relationships [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life	7
Identifiable intangible assets		$ 93,000