Business Segments Business Segment Information (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Assets	$ 487.4	$ 527.9	$ 563.7
Payments to Acquire Productive Assets	11.8	13.8	17.7
Total Depreciation and Amortization	33.5	36.4	40.5
Compressor products [Member]
Segment Reporting Information [Line Items]
Assets	356.0	392.3	452.1
Payments to Acquire Productive Assets	10.3	11.9	11.5
Total Depreciation and Amortization	27.3	29.0	32.6
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Assets	129.0	133.5	111.1
Payments to Acquire Productive Assets	1.5	1.9	6.2
Total Depreciation and Amortization	6.2	7.4	7.9
Assets Held-for-sale [Member]
Segment Reporting Information [Line Items]
Assets	$ 2.4	$ 2.1	$ 0.5