Business Acquisitions and Disposition (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended	0 Months Ended	12 Months Ended	3 Months Ended		0 Months Ended
	Dec. 31, 2014	Dec. 01, 2014	Dec. 31, 2013	Mar. 30, 2014	Jun. 30, 2013	Jan. 31, 2012	Dec. 31, 2012
Acquisition
Purchase price allocated to goodwill	$ 639.0		$ 514.8
Estimated useful lives	12 years 2 months 12 days
Value of the assets and liabilities acquired
Goodwill	639.0		514.8
Technology
Acquisition
Estimated useful lives	10 years 3 months 18 days
Customer relationships
Acquisition
Estimated useful lives	11 years 10 months 24 days
Trade name
Acquisition
Estimated useful lives	14 years 6 months
Aerco
Acquisition
Short term working capital escrow		7.7
Aggregate consideration, net		272.2
Purchase price allocated to goodwill		174.3
Purchase price allocated to intangible assets		102.4
Revenues	5.3
Operating Income (Loss)	(1.4)
Acquisition accounting charges	0.8
Value of the assets and liabilities acquired
Accounts receivable		16.7
Inventory		16.4
Fixed assets		7.6
Deferred tax assets		8.0
Other assets		7.6
Intangible assets		102.4
Goodwill		174.3
Accounts payable		(6.7)
Accrued expenses and other		(18.1)
Deferred tax liability		(36.0)
Purchase price		272.2
Supplemental pro-forma information
Net sales	1,610.1		1,562.8
Net income from continuing operations	59.7		63.4
Basic EPS - continuing operations	$ 1.69		$ 1.79
Diluted EPS - continuing operations	$ 1.69		$ 1.78
Net interest expense related to the financing	3.1		3.3
Net amortization expense	3.9		4.3
Net acquisition-related charges and third-party costs	3.3
Aerco | Technology
Acquisition
Purchase price allocated to intangible assets		15.8
Estimated useful lives		10 years
Value of the assets and liabilities acquired
Intangible assets		15.8
Aerco | Customer relationships
Acquisition
Purchase price allocated to intangible assets		78.5
Estimated useful lives		16 years
Value of the assets and liabilities acquired
Intangible assets		78.5
Aerco | Trade name
Acquisition
Purchase price allocated to intangible assets		7.4
Estimated useful lives		20 years
Value of the assets and liabilities acquired
Intangible assets		7.4
Tekmar
Acquisition
Initial purchase price paid						17.8
Purchase price allocated to goodwill						11.7
Purchase price allocated to intangible assets						10.1
Contingent liability of the acquisition date fair value							5.1
Portion of contingent consideration paid on achievement of performance metrics	2.2		1.2	2.2	1.2
Increase in contingent liability	0.5		1.0
Value of the assets and liabilities acquired
Intangible assets						10.1
Goodwill						11.7
Tekmar | Technology
Acquisition
Estimated useful lives						10 years
Tekmar | Distributor relationships
Acquisition
Estimated useful lives						7 years
Tekmar | Trade name
Acquisition
Estimated useful lives						20 years