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Acquisitions (Details) - USD ($) $ in Thousands |  |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | ---
Nov. 01, 2018 | Feb. 01, 2018 | Nov. 28, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Jun. 30, 2018
Business Acquisition [Line Items] |  |  |  |  |  |
Payment to acquire business, net of cash acquired |  |  |  | $ 8,404 | $ 85,964 |
Percentage of ownership sold |  |  |  | 51.00% |  |
Proceeds from sale of ownership interest |  |  |  | $ 8,254 |  |
Loss on sale of ownership interest |  |  |  | $ (4,465) |  |
Ownership percentage retained |  |  |  | 49.00% |  |
Frost Converting Systems |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Percentage of ownership acquired | 80.00% |  |  |  |  |
Payment to acquire business, net of cash acquired | $ 7,175 |  |  |  |  |
Star Granite Bronze International, Inc |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Payment to acquire business, net of cash acquired |  | $ 30,942 |  |  |  |
Total purchase price |  | 35,942 |  |  |  |
Value of common stock issued in acquisition |  | 5,000 |  |  |  |
Annual sales of acquired entity, last annual period |  | $ 31,000 |  |  |  |
Compass Engineering Group, Inc |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Payment to acquire business, net of cash acquired |  |  | $ 51,887 |  |  |
Annual sales of acquired entity, last annual period |  |  | $ 24,000 |  |  |
Additional Acquisitions |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Payment to acquire business, net of cash acquired |  |  |  |  |  | $ 39,465

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