Consolidated Statements Of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating activities
Net income	$ 347.4	$ 666.5	$ 522.2
(Income) loss from discontinued operations, net of tax	(25.7)	(371.3)	(343.4)
Gain from sale / impairment of discontinued operations, net of tax	0.0	(181.1)	(0.6)
Adjustments to reconcile net income from continuing operations to net cash provided by operating activities of continuing operations
Equity income of unconsolidated subsidiaries	(8.4)	(1.3)	(4.3)
Depreciation	49.7	50.8	53.0
Amortization	34.9	36.4	35.4
Loss on sale of businesses	7.3	4.2	3.9
Deferred income taxes	(4.1)	(18.0)	1.2
Share-based compensation	20.9	39.6	34.2
Impairment of trade names	12.0	15.6	0.0
Loss on early extinguishment of debt	17.1	101.4	0.0
Excess tax benefits from share-based compensation	0.0	0.0	(8.0)
Changes in assets and liabilities, net of effects of business acquisitions
Accounts receivable	(15.3)	(13.4)	16.6
Inventories	(40.1)	(20.5)	33.9
Other current assets	31.2	(13.0)	2.1
Accounts payable	58.3	15.6	22.8
Employee compensation and benefits	(0.6)	(1.4)	26.7
Other current liabilities	(3.3)	(54.6)	90.3
Other non-current assets and liabilities	(23.2)	23.1	(106.1)
Net cash provided by operating activities of continuing operations	458.1	278.6	379.9
Net cash provided by (used for) operating activities of discontinued operations	(19.0)	341.6	481.5
Net cash provided by operating activities of continuing operations	439.1	620.2	861.4
Investing activities
Capital expenditures	(48.2)	(39.1)	(43.3)
Proceeds from sale of property and equipment	0.2	3.7	18.8
(Payments due to) proceeds from sale of businesses and other	(12.8)	2,759.4	(5.1)
Acquisitions, net of cash acquired	(0.9)	(45.9)	(25.0)
Net cash provided by (used for) investing activities of continuing operations	(61.7)	2,678.1	(54.6)
Net cash used for investing activities of discontinued operations	(7.1)	(47.7)	(67.2)
Net cash provided by (used for) investing activities	(68.8)	2,630.4	(121.8)
Financing activities
Net receipts (repayments) of commercial paper and revolving long-term debt	39.7	(913.1)	(385.3)
Repayment of long-term debt	(675.1)	(2,009.3)	(0.7)
Premium paid on early extinguishment of debt	(16.0)	(94.9)	0.0
Transfer of cash to nVent	(74.2)	0.0	0.0
Distribution of cash from nVent	993.6	0.0	0.0
Shares issued to employees, net of shares withheld	13.3	37.2	20.7
Repurchases of ordinary shares	(500.0)	(200.0)	0.0
Dividends paid	(187.2)	(251.7)	(243.6)
Other	2.0	0.8	(8.8)
Net cash provided by (used for) financing activities of continuing operations	(407.9)	(3,432.6)	(600.1)
Change in cash held for sale	27.0	(5.4)	1.1
Effect of exchange rate changes on cash and cash equivalents	(1.4)	56.8	(27.3)
Change in cash and cash equivalents	(12.0)	(130.6)	113.3
Cash and cash equivalents, beginning of year	86.3	216.9	103.6
Cash and cash equivalents, end of year	74.3	86.3	216.9
Cash paid for interest, net	43.7	107.2	143.4
Income Taxes Paid	$ 92.9	$ 362.1	$ 145.1