Subsequent Events	3 Months Ended
Mar. 30, 2019
Subsequent Events [Abstract]
Subsequent Events	Subsequent EventsDuring the second quarter of 2019, the Company initiated restructuring activities at certain of its locations. Associated severance charges of $0.2 million and $2.0 million will be recorded in the quarter ended June 29, 2019 in Aerospace and Test Systems segments, respectively.

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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