Discontinued Operations and Disposal Groups (Details) $ in Thousands, € in Millions	9 Months Ended
	Sep. 30, 2015 USD ($)	Sep. 30, 2015 EUR (€)	Dec. 31, 2014 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current assets	$ 36,780		$ 0
Abel Pumps LP [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Description and Timing of Disposal	On October 2, 2015 Roper completed the sale of Abel Pumps LP ("Abel"), which was reported in its Industrial Technology segment, for €95 million.
Disposal Group, Including Discontinued Operation, Consideration | €		€ 95
Current assets	$ 13,165
Noncurrent assets	23,615
Total assets	36,780
Current liabilities	3,962
Noncurrent liabilities	49
Total liabilities	$ 4,011
Disposal Group, Including Discontinued Operation, Segment that Includes Disposal Group	Industrial Technology