Segment Information- Reporting Information by Segment (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Interest expense									$ 125,818,000	$ 130,972,000	$ 144,948,000
Interest income									4,526,000	8,881,000	8,491,000
Net Income (Loss) Attributable to Parent	$ 168,122,000	$ 206,006,000	$ 198,085,000	$ 105,705,000	$ 141,569,000	$ 157,305,000	$ 139,959,000	$ 131,434,000	677,918,000	570,267,000	811,665,000
Reconciliation from Segment Totals to Consolidated [Abstract]
Revenue	1,775,589,000	1,825,345,000	1,810,706,000	1,724,757,000	1,808,950,000	1,747,403,000	1,798,094,000	1,637,671,000
Revenue									7,136,397,000	6,992,118,000	6,820,886,000
Reconciliation of Earnings from Continuing Operations from Segments to Consolidated [Abstract]
Earnings from continuing operations before provision for income taxes and discontinued operations									843,009,000	725,378,000	875,815,000
Provision for income taxes									165,091,000	134,233,000	129,152,000
Earnings from continuing operations	168,122,000	$ 206,006,000	$ 198,085,000	$ 105,705,000	157,975,000	$ 157,305,000	$ 166,456,000	$ 109,409,000	$ 677,918,000	$ 591,145,000	$ 746,663,000
Operating Margins [Abstract]
Segment Margins									15.60%	14.00%	17.10%
Earnings from continuing operations (in hundredths)									9.50%	8.50%	10.90%
Depreciation and Amortization [Abstract]
Depreciation and Amortization									$ 272,287,000	$ 282,580,000	$ 283,278,000
Capital Expenditures [Abstract]
Capital Expenditures									186,804,000	170,994,000	170,068,000
Total Assets [Abstract]
Total assets	8,669,477,000				8,365,771,000				8,669,477,000	8,365,771,000
Gain (Loss) on Sale of Assets and Asset Impairment Charges									46,946,000	0	0
Engineered Products Segment [Member]
Reconciliation from Segment Totals to Consolidated [Abstract]
Revenue									1,697,557,000	1,633,147,000	1,626,856,000
Reconciliation of Earnings from Continuing Operations from Segments to Consolidated [Abstract]
Earnings from continuing operations before provision for income taxes and discontinued operations									$ 291,848,000	$ 252,368,000	$ 437,079,000
Operating Margins [Abstract]
Segment Margins									17.20%	15.50%	26.90%
Depreciation and Amortization [Abstract]
Depreciation and Amortization									$ 41,032,000	$ 44,995,000	$ 48,271,000
Capital Expenditures [Abstract]
Capital Expenditures									38,049,000	34,016,000	25,762,000
Total Assets [Abstract]
Assets of continuing operations	1,431,948,000				1,477,671,000				1,431,948,000	1,477,671,000
Fueling Solutions Segment [Member]
Reconciliation from Segment Totals to Consolidated [Abstract]
Revenue									1,620,177,000	1,465,590,000	1,338,062,000
Reconciliation of Earnings from Continuing Operations from Segments to Consolidated [Abstract]
Earnings from continuing operations before provision for income taxes and discontinued operations									$ 231,873,000	$ 152,255,000	$ 159,180,000
Operating Margins [Abstract]
Segment Margins									14.30%	10.40%	11.90%
Depreciation and Amortization [Abstract]
Depreciation and Amortization									$ 75,045,000	$ 68,463,000	$ 67,835,000
Capital Expenditures [Abstract]
Capital Expenditures									21,780,000	37,232,000	40,702,000
Total Assets [Abstract]
Assets of continuing operations	2,107,045,000				1,895,308,000				2,107,045,000	1,895,308,000
Imaging & Identification Segment [Member]
Reconciliation from Segment Totals to Consolidated [Abstract]
Revenue									1,084,471,000	1,109,843,000	1,041,188,000
Reconciliation of Earnings from Continuing Operations from Segments to Consolidated [Abstract]
Earnings from continuing operations before provision for income taxes and discontinued operations									$ 229,484,000	$ 198,902,000	$ 167,404,000
Operating Margins [Abstract]
Segment Margins									21.20%	17.90%	16.10%
Depreciation and Amortization [Abstract]
Depreciation and Amortization									$ 30,530,000	$ 30,882,000	$ 37,176,000
Capital Expenditures [Abstract]
Capital Expenditures									18,593,000	13,029,000	11,733,000
Total Assets [Abstract]
Assets of continuing operations	1,673,689,000				1,592,349,000				1,673,689,000	1,592,349,000
Pumps & Process Solutions Segment [Member]
Reconciliation from Segment Totals to Consolidated [Abstract]
Revenue									1,338,528,000	1,331,893,000	1,217,235,000
Reconciliation of Earnings from Continuing Operations from Segments to Consolidated [Abstract]
Earnings from continuing operations before provision for income taxes and discontinued operations									$ 240,081,000	$ 237,549,000	$ 209,451,000
Operating Margins [Abstract]
Segment Margins									17.90%	17.80%	17.20%
Depreciation and Amortization [Abstract]
Depreciation and Amortization									$ 67,584,000	$ 71,982,000	$ 67,986,000
Capital Expenditures [Abstract]
Capital Expenditures									50,442,000	49,333,000	49,923,000
Total Assets [Abstract]
Assets of continuing operations	1,553,836,000				1,562,845,000				1,553,836,000	1,562,845,000
Refrigeration and Food Equipment Segment [Member]
Reconciliation from Segment Totals to Consolidated [Abstract]
Revenue									1,396,617,000	1,453,093,000	1,599,105,000
Reconciliation of Earnings from Continuing Operations from Segments to Consolidated [Abstract]
Earnings from continuing operations before provision for income taxes and discontinued operations									$ 118,832,000	$ 136,119,000	$ 193,822,000
Operating Margins [Abstract]
Segment Margins									8.50%	9.40%	12.10%
Depreciation and Amortization [Abstract]
Depreciation and Amortization									$ 51,360,000	$ 60,477,000	$ 57,207,000
Capital Expenditures [Abstract]
Capital Expenditures									51,052,000	32,482,000	32,541,000
Total Assets [Abstract]
Assets of continuing operations	1,302,618,000				1,252,870,000				1,302,618,000	1,252,870,000
Corporate and Other [Member]
Reconciliation of Earnings from Continuing Operations from Segments to Consolidated [Abstract]
Earnings from continuing operations before provision for income taxes and discontinued operations									124,274,000	129,724,000	154,664,000
Corporate, Non-Segment [Member]
Depreciation and Amortization [Abstract]
Depreciation and Amortization									6,736,000	5,781,000	4,803,000
Capital Expenditures [Abstract]
Capital Expenditures									6,888,000	4,902,000	9,407,000
Total Assets [Abstract]
Assets of continuing operations	$ 600,341,000				$ 584,728,000				600,341,000	584,728,000
Intersegment Elimination [Member]
Reconciliation from Segment Totals to Consolidated [Abstract]
Revenue									(953,000)	(1,448,000)	(1,560,000)
Total segments [Member]
Reconciliation of Earnings from Continuing Operations from Segments to Consolidated [Abstract]
Earnings from continuing operations before provision for income taxes and discontinued operations									$ 1,112,118,000	$ 977,193,000	$ 1,166,936,000