Acquisitions Purchase Price (Details) - USD ($) $ / shares in Units, $ in Millions			3 Months Ended	6 Months Ended			12 Months Ended
	Mar. 02, 2017	Feb. 14, 2017	Jul. 01, 2017	Dec. 31, 2017	Jul. 01, 2017	Jul. 02, 2016	Dec. 31, 2016	Oct. 31, 2016	Jul. 31, 2017	May 31, 2017
Purchase Price
Cash paid					$ 317.7	$ 1,110.1
Purchase Price Payable					9.1
Cash acquired			$ (12.2)		(12.2)
Total Purchase Price					314.6
Net Assets Acquired [Abstract]
Current assets			21.4		21.4
Property, plant and equipment			1.8		1.8
Goodwill			196.9		196.9
Other assets			0.4		0.4
Liabilities assumed			(47.5)		(47.5)
Total Purchase Price			314.6		$ 314.6
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (in years)					11 years
Bridge Loan [Member]
Business Acquisition [Line Items]
Maximum Borrowing Capacity										$ 7,300.0
Scenario, Forecast [Member] | Bridge Loan [Member]
Business Acquisition [Line Items]
Maximum Borrowing Capacity									$ 4,300.0
In-Process Research and Development [Member]
Net Assets Acquired [Abstract]
Indefinite-lived intangible assets			1.6		$ 1.6
Customer Relationships [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets			74.0		$ 74.0
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (in years)					12 years
Product Technology [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets			61.1		$ 61.1
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (in years)					10 years
Tradenames and other [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets			4.9		$ 4.9
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (in years)					3 years
Patheon N.V. (Pending Acquisition) [Member]
Other Information
Revenue Reported by Acquired Entity								$ 1,900.0
Patheon N.V. (Pending Acquisition) [Member] | Scenario, Forecast [Member]
Business Acquisition [Line Items]
Business Acquisition, Share Price				$ 35.00
Purchase Price
Cash paid				$ 5,200.0
Debt Assumed				2,000.0
Core Informatics [Member]
Purchase Price
Cash paid	$ 94.6
Purchase Price Payable	9.1
Cash acquired	(10.1)
Total Purchase Price	93.6
Net Assets Acquired [Abstract]
Current assets	2.0
Property, plant and equipment	0.2
Goodwill	62.5
Other assets	0.1
Liabilities assumed	(9.3)
Total Purchase Price	93.6
Other Information
Revenue Reported by Acquired Entity							$ 10.0
Goodwill, Expected Tax Deductible Amount	50.0
Core Informatics [Member] | Customer Relationships [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets	6.3
Core Informatics [Member] | Product Technology [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets	29.1
Core Informatics [Member] | Tradenames and other [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets	$ 2.7
Finesse Solutions, Inc. [Member]
Purchase Price
Cash paid		$ 223.1
Cash acquired		(2.1)
Total Purchase Price		221.0
Net Assets Acquired [Abstract]
Current assets		19.4
Property, plant and equipment		1.6
Goodwill		134.4
Other assets		0.3
Liabilities assumed		(38.2)
Total Purchase Price		221.0
Other Information
Revenue Reported by Acquired Entity							$ 50.0
Goodwill, Expected Tax Deductible Amount		0.0
Finesse Solutions, Inc. [Member] | In-Process Research and Development [Member]
Net Assets Acquired [Abstract]
Indefinite-lived intangible assets		1.6
Finesse Solutions, Inc. [Member] | Customer Relationships [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets		67.7
Finesse Solutions, Inc. [Member] | Product Technology [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets		32.0
Finesse Solutions, Inc. [Member] | Tradenames and other [Member]
Net Assets Acquired [Abstract]
Definite-lived intangible assets		$ 2.2
FEI Company [Member]
Other Information
Finalization of Initial Purchase Accounting, Reduction of Deferred Tax Liabilities			18.0
Finalization of Initial Purchase Accounting, Increase in Goodwill			70.0
FEI Company [Member] | Tradenames and other [Member]
Other Information
Finalization of Initial Purchase Accounting, Reduction of Intangibles			$ 88.0
Maximum [Member] | Patheon N.V. (Pending Acquisition) [Member] | Scenario, Forecast [Member]
Business Acquisition [Line Items]
Proceeds from Issuance of Equity				$ 2,000.0