Acquisition and Strategic Transaction Purchase Price Allocation Table (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Business Acquisition [Line Items]
Payment to acquire business, net of working capital adjustments					$ 180,785
Proceeds from Issuance of Debt			$ 0	$ 75,000	75,000
Business Combination, Contingent Consideration, Liability, Noncurrent	$ 0	$ 19,000	0	19,000	$ 19,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares					3,200
Business Acquisition, Share Price					$ 140.75
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable			0	413,139	$ 450,400
Discount on equity issued as consideration					37,261
Business Combination, Consideration Transferred, Equity Issued, Fair Value					(413,139)
Business Combination, Consideration Transferred					687,924
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents					31,082
Business Combination, Acquired Receivable, Fair Value					362
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory					417,622
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets					13,911
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment					288,134
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles					131,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent					25,080
Bargain purchase gain	$ 0	$ 0	$ 0	$ 63,237
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets					29,270
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable					12,381
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other					47,936
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities					67,170
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net					$ 783,894
Hospira [Member]
Business Acquisition [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares					3,200
Bargain purchase gain					$ 70,890
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life					9 years
Customer Relationships [Member] | Hospira [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles					$ 48,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life					8 years
Pumps and dedicated sets [Domain] | Hospira [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles					$ 44,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life					10 years
developed technology-consumables [Domain] | Hospira [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles					$ 34,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life					12 years
In Process Research and Development [Member] | Hospira [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets					$ 5,000