Information on Reportable Segments and Other Operating Segments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 31, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 31, 2014 segment	Dec. 31, 2013	Dec. 31, 2012	Jan. 07, 2014
Business segment
Estimated sales revenue percentage generated from emerging market									27.00%
Number of reportable segments									2
Revenues:
Revenues	$ 1,277.7	$ 1,171.2	$ 1,195.1	$ 1,077.1	$ 1,328.9	$ 1,162.7	$ 1,180.9	$ 1,100.8	$ 4,721.1	$ 4,773.3	$ 4,894.6
Income:
Pension and postretirement expense (income)									113.8	(17.7)	158.0
Stock-based compensation									38.4	32.9	38.9
Impairment of goodwill and other long-term assets									38.1	6.7	285.9
Special charges, net									23.1	32.3	23.4
Operating income (loss)									201.9	345.1	(123.9)
Capital expenditures:
Total capital expenditures									61.1	55.1	81.8
Depreciation and amortization:
Depreciation, Depletion and Amortization									109.2	115.1	107.8
Identifiable assets:
Total identifiable assets	5,902.2				6,856.2				5,902.2	6,856.2	7,130.1
Tangible Long-Lived Assets:
Total tangible long-lived assets	1,400.7				1,657.9				1,400.7	1,657.9	1,478.7
United States
Revenues:
Revenues									2,233.9	2,213.3	2,230.8
United Kingdom
Revenues:
Revenues									452.0	499.6	545.2
Germany
Revenues:
Revenues									311.9	306.2	358.5
China
Revenues:
Revenues									278.4	235.9	232.3
South Africa
Revenues:
Revenues									137.3	266.3	322.4
Other
Revenues:
Revenues									1,307.6	1,252.0	1,205.4
Continuing operations
Tangible Long-Lived Assets:
Total tangible long-lived assets	1,400.7				1,645.8				1,400.7	1,645.8	1,466.7
Continuing operations | United States
Tangible Long-Lived Assets:
Total tangible long-lived assets	956.1				1,260.1				956.1	1,260.1	1,156.5
Continuing operations | Other
Tangible Long-Lived Assets:
Total tangible long-lived assets	444.6				385.7				444.6	385.7	310.2
Discontinued operations
Income:
Special charges, net									0	4.4	0.7
Identifiable assets:
Total identifiable assets					100.9					100.9	95.1
Tangible Long-Lived Assets:
Total tangible long-lived assets					12.1					12.1	12.0
EGS Electrical Group, LLC and Subsidiaries ("EGS")
Business segment
Percentage of interest held in joint venture				44.50%	44.50%					44.50%		44.50%
Depreciation and amortization:
Depreciation, Depletion and Amortization										11.0	10.4
General corporate
Income:
Corporate expense									106.8	110.8	108.8
Capital expenditures:
Total capital expenditures									10.3	16.6	25.9
Depreciation and amortization:
Depreciation, Depletion and Amortization									10.9	8.4	6.1
Identifiable assets:
Total identifiable assets	678.1				1,205.6				678.1	1,205.6	1,279.1
Reportable and other operating segments
Income:
Operating income (loss)									522.1	510.1	491.1
Flow Technology Reportable Segment
Revenues:
Revenues									2,596.1	2,638.0	2,682.2
Income:
Special charges, net									13.8	14.2	18.9
Capital expenditures:
Total capital expenditures									34.8	21.0	25.6
Depreciation and amortization:
Depreciation, Depletion and Amortization									62.8	68.3	63.8
Identifiable assets:
Total identifiable assets	3,165.7				3,526.8				3,165.7	3,526.8	3,611.2
Flow Technology Reportable Segment | Reportable and other operating segments
Income:
Operating income (loss)									361.9	308.3	285.1
Thermal Equipment and Services reportable segment
Revenues:
Revenues									1,329.9	1,344.2	1,490.9
Income:
Special charges, net									6.4	16.3	7.6
Capital expenditures:
Total capital expenditures									9.1	7.2	10.9
Depreciation and amortization:
Depreciation, Depletion and Amortization									20.3	22.5	22.0
Identifiable assets:
Total identifiable assets	1,391.0				1,338.1				1,391.0	1,338.1	1,445.4
Thermal Equipment and Services reportable segment | South Africa
Revenues:
Reduction in revenue and segment income	25.0		8.3						33.3
Thermal Equipment and Services reportable segment | Reportable and other operating segments
Income:
Operating income (loss)									52.4	81.9	106.7
Industrial Products and Services and Other
Revenues:
Revenues									795.1	791.1	721.5
Income:
Special charges, net									2.3	1.2	0.3
Capital expenditures:
Total capital expenditures									6.9	10.3	19.4
Depreciation and amortization:
Depreciation, Depletion and Amortization									15.2	15.9	15.9
Identifiable assets:
Total identifiable assets	667.4				684.8				667.4	684.8	699.3
Industrial Products and Services and Other | Reportable and other operating segments
Income:
Operating income (loss)									$ 107.8	$ 119.9	$ 99.3
Minimum
Business segment
Number of countries in which entity operates	35								35
Number of countries in which entity sells its products and services	150								150