Subsequent Events	3 Months Ended
Mar. 31, 2019
Subsequent Events [Abstract]
Subsequent Events [Text Block]	22. Subsequent EventsOn April 2, 2019 Dover completed the sale of Finder to Aturia, which generated total cash proceeds of $24,218, of which $2,245 was received on March 29, 2019. Any final working capital adjustments, which are not expected to be significant, will be recorded in the second quarter of 2019. The assets and liabilities of Finder were classified as held for sale as of March 31, 2019. See Note 5 — Held for Sale, Disposed and Discontinued Operations for further details.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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