Subsequent Events	3 Months Ended
Mar. 31, 2019
Subsequent Events [Abstract]
Subsequent Events	Subsequent EventsWe acquired 100% of the shares of Opterna International Corp. (Opterna) on April 15, 2019 for a purchase price of approximately $45 million, net of cash acquired. The acquisition also includes potential earnout consideration up to a maximum of $25 million. Opterna is an international fiber optics solutions business, which designs and manufactures a range of complementary fiber connectivity, cabinet, and enclosure products used in optical networks.

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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