Description of Business and Accounting Policies - Goodwill (Details)	Apr. 01, 2018 USD ($)
Accounting Policies [Abstract]
Goodwill impairment	$ 0

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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