Amount for accounts payable to related parties.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Costs of sales and operating expenses for the period incurred from transactions with related parties.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Related Party Transactions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Polsinelli
Related Party Transaction [Line Items]
Legal services obtained	$ 0.8	$ 1.3	$ 1.7
Accounts payable for legal services	0.1	$ 0.0
Family member of the Company's Executive Vice President \| Legal services from Segal McCambridge Singer and Mahone
Related Party Transaction [Line Items]
Legal services obtained	0.5
Family member of the Company's Executive Vice President \| Support Services from Domino Amjet, Inc.
Related Party Transaction [Line Items]
Serialization support services obtained	$ 0.5