Consolidated Financial Statements	6 Months Ended
Jun. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
CONSOLIDATED FINANCIAL STATEMENTS	CONSOLIDATED FINANCIAL STATEMENTS The accompanying unaudited consolidated financial statements have been prepared by management in accordance with U.S. generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. In the opinion of management, all adjustments consisting of normal recurring adjustments considered necessary for the fair presentation of results for the interim period have been included. The results of operations for the three and six month periods ended June 30, 2017 are not necessarily indicative of the results expected for the full year. The Company is subject to reduced activity in the first and fourth quarters as colder, inclement weather reduces order rates from end markets it serves. The accompanying unaudited consolidated financial statements should be read in conjunction with the financial statements and notes thereto included in our annual Form 10-K for the year ended December 31, 2016. Certain prior year amounts have been reclassified to conform to current year's presentation. Refer to Note 2 for a summary of ASUs we adopted during 2017 and the related financial statement impact. Immaterial Adjustment to Previously Reported Interim Period For the three and six month periods ended June 30, 2016, immaterial differences were identified between amounts presented in prior quarterly reports on Form 10-Q and amounts required to be recorded in accordance with U.S. generally accepted accounting principles due to errors in the Company's accounting for estimated total contract costs at completion as it is related to revenue recognition under the percentage of completion accounting method. Refer to the Company's Quarterly Report on Form 10-Q for the quarter ended September 30, 2016 for a complete description of these differences. The corrected amounts for the three and six month periods ended June 30, 2016, are presented in the accompanying consolidated statements of operations, comprehensive income and cash flows.

CONSOLIDATED FINANCIAL STATEMENTS

The accompanying unaudited consolidated financial statements have been prepared by management in accordance with U.S. generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. In the opinion of management, all adjustments consisting of normal recurring adjustments considered necessary for the fair presentation of results for the interim period have been included. The results of operations for the three and six month periods ended June 30, 2017 are not necessarily indicative of the results expected for the full year. The Company is subject to reduced activity in the first and fourth quarters as colder, inclement weather reduces order rates from end markets it serves. The accompanying unaudited consolidated financial statements should be read in conjunction with the financial statements and notes thereto included in our annual Form 10-K for the year ended December 31, 2016.

Certain prior year amounts have been reclassified to conform to current year's presentation. Refer to Note 2 for a summary of ASUs we adopted during 2017 and the related financial statement impact.

Immaterial Adjustment to Previously Reported Interim Period

For the three and six month periods ended June 30, 2016, immaterial differences were identified between amounts presented in prior quarterly reports on Form 10-Q and amounts required to be recorded in accordance with U.S. generally accepted accounting principles due to errors in the Company's accounting for estimated total contract costs at completion as it is related to revenue recognition under the percentage of completion accounting method. Refer to the Company's Quarterly Report on Form 10-Q for the quarter ended September 30, 2016 for a complete description of these differences. The corrected amounts for the three and six month periods ended June 30, 2016, are presented in the accompanying consolidated statements of operations, comprehensive income and cash flows.