Number Of Businesses Which Changed Revenue Recognition Practices Due To New Accounting Pronouncement

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Number Of Businesses Which Operate Under Long-Term, Fixed-Price Contracts

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Number Of Businesses Which Operate Under Long-Term, Fixed-Price Contracts, Percent Of Total Revenue

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Number Of Businesses Which Recognize Revenue Following The Over-Time Output Method

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Number Of Businesses Which Recognize Revenue Following The Over-Time Output Method, Percent Of Total Revenue

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Percentage Of Total Revenue

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Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Change In Tax Rate, Deferred Tax Asset, Provisional Income Tax Expense

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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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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Summary of Significant Accounting Policies (Details 1) $ in Thousands	1 Months Ended	9 Months Ended
	Jan. 10, 2019 USD ($) shares	Dec. 01, 2018 USD ($) business	Mar. 03, 2018 USD ($)
Disaggregation of Revenue [Line Items]
Number of businesses which operate under long-term, fixed-price contracts \| business		3
Revenue from businesses which operate under long-term, fixed-price contracts (as a percent)		33.00%
Number of businesses which changed revenue recognition practices due to the adoption of the new guidance \| business		1
Number of businesses that recognize revenue following an over-time output method \| business		1
Revenue from businesses that recognize revenue following an over-time output method (as a percent)		21.00%
Increase to retained earnings		$ 400,289	$ 373,259
Subsequent Event
Disaggregation of Revenue [Line Items]
Number of shares repurchased during period (in shares) \| shares	504,004
Value of shares repurchased during period	$ 14,900
Recognized at the time products are shipped
Disaggregation of Revenue [Line Items]
Percentage of total revenue		46.00%
Difference between Revenue Guidance in Effect before and after Topic 606 \| Accounting Standards Update 2014-09
Disaggregation of Revenue [Line Items]
Increase to retained earnings			$ 3,000
AOCI
Disaggregation of Revenue [Line Items]
Reclassification of tax effects (see Note 1)		$ 737
Retained earnings
Disaggregation of Revenue [Line Items]
Reclassification of tax effects (see Note 1)		(737)
New Accounting Pronouncement, Early Adoption, Effect \| AOCI \| Accounting Standards Update 2018-02
Disaggregation of Revenue [Line Items]
Reclassification of tax effects (see Note 1)		(700)
New Accounting Pronouncement, Early Adoption, Effect \| Retained earnings \| Accounting Standards Update 2018-02
Disaggregation of Revenue [Line Items]
Reclassification of tax effects (see Note 1)		$ 700