Acquisitions	6 Months Ended
Jun. 30, 2017
Business Combinations [Abstract]
Acquisitions	Acquisitions On May 1, 2017, the Company acquired 100% of the outstanding common stock of D-Flow Technology AB ("D-Flow") of Luleå, Sweden. The D-Flow acquisition facilitates the continued advancement of the existing E-Series® Ultrasonic product line while also adding a technology center for the Company. Sales of D-Flow products were approximately $0.7 million in the three months ended June 30, 2017. The purchase price was approximately $23.2 million in cash, plus a small working capital adjustment. The purchase price included $5.1 million in payments that are anticipated to be made within eighteen months of the purchase date, of which $4.1 million is recorded in payables on the Consolidated Balance Sheets at June 30, 2017 and $1.0 million is recorded in long-term liabilities. The Company's preliminary allocation of the purchase price included approximately $0.3 million in receivables, $0.6 million in inventory, $0.2 million in machinery and equipment, $10.9 million of intangibles and $11.8 million of goodwill. The majority of the intangible assets acquired related to ultrasonic technology. The Company also assumed $0.6 million of liabilities as part of the acquisition. As of June 30, 2017, the Company had not completed its analysis for estimating the fair value of the assets acquired. The D-Flow acquisition was accounted for under the purchase method, and accordingly, the results of operations were included in the Company's financial statements from the date of acquisition. The acquisition did not have a material impact on the Company's consolidated condensed financial statements or the notes thereto. On October 20, 2016, the Company acquired certain assets of Precision Flow Measurement, Inc., doing business as Nice Instrumentation, of Manalapan Township, New Jersey. The acquisition added a new technology for the measurement of steam to the Company's HVAC line of products. The total purchase consideration for the Nice Instrumentation assets was $2.0 million, which included a $0.2 million payment that was made after the first production run that occurred in January 2017. The Company's preliminary allocation of the purchase price at December 31, 2016 included approximately $15,000 of inventory and equipment, $0.7 million of intangibles and $1.3 million of goodwill. The intangible assets acquired are primarily customer technology with an estimated average useful life of 15 years. The preliminary allocation of the purchase price to the assets acquired was based upon the estimated fair values at the date of acquisition. The Company completed its analysis for estimating the fair value of the assets acquired in the first quarter of 2017 with no additional adjustments. The Nice Instrumentation acquisition was accounted for under the purchase method, and accordingly, the results of operations were included in the Company's financial statements from the date of acquisition. The acquisition did not have a material impact on the Company's consolidated condensed financial statements or the notes thereto.

Acquisitions

On May 1, 2017, the Company acquired 100% of the outstanding common stock of D-Flow Technology AB ("D-Flow") of Luleå, Sweden. The D-Flow acquisition facilitates the continued advancement of the existing E-Series® Ultrasonic product line while also adding a technology center for the Company. Sales of D-Flow products were approximately $0.7 million in the three months ended June 30, 2017.

The purchase price was approximately $23.2 million in cash, plus a small working capital adjustment. The purchase price included $5.1 million in payments that are anticipated to be made within eighteen months of the purchase date, of which $4.1 million is recorded in payables on the Consolidated Balance Sheets at June 30, 2017 and $1.0 million is recorded in long-term liabilities. The Company's preliminary allocation of the purchase price included approximately $0.3 million in receivables, $0.6 million in inventory, $0.2 million in machinery and equipment, $10.9 million of intangibles and $11.8 million of goodwill. The majority of the intangible assets acquired related to ultrasonic technology. The Company also assumed $0.6 million of liabilities as part of the acquisition. As of June 30, 2017, the Company had not completed its analysis for estimating the fair value of the assets acquired.

The D-Flow acquisition was accounted for under the purchase method, and accordingly, the results of operations were included in the Company's financial statements from the date of acquisition. The acquisition did not have a material impact on the Company's consolidated condensed financial statements or the notes thereto.

On October 20, 2016, the Company acquired certain assets of Precision Flow Measurement, Inc., doing business as Nice Instrumentation, of Manalapan Township, New Jersey. The acquisition added a new technology for the measurement of steam to the Company's HVAC line of products.

The total purchase consideration for the Nice Instrumentation assets was $2.0 million, which included a $0.2 million payment that was made after the first production run that occurred in January 2017. The Company's preliminary allocation of the purchase price at December 31, 2016 included approximately $15,000 of inventory and equipment, $0.7 million of intangibles and $1.3 million of goodwill. The intangible assets acquired are primarily customer technology with an estimated average useful life of 15 years. The preliminary allocation of the purchase price to the assets acquired was based upon the estimated fair values at the date of acquisition. The Company completed its analysis for estimating the fair value of the assets acquired in the first quarter of 2017 with no additional adjustments.

The Nice Instrumentation acquisition was accounted for under the purchase method, and accordingly, the results of operations were included in the Company's financial statements from the date of acquisition. The acquisition did not have a material impact on the Company's consolidated condensed financial statements or the notes thereto.