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Summary of Disaggregated Revenue (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Disaggregation of Revenue [Line Items]
Revenues from product lines, percentage	100.00%	100.00%	100.00%	100.00%
Revenues	$ 1,536,671	$ 1,394,915	$ 3,900,212	$ 3,698,047
United States
Disaggregation of Revenue [Line Items]
Revenues	1,391,340	1,232,564	3,517,533	3,258,283
Canada
Disaggregation of Revenue [Line Items]
Revenues	91,429	85,422	218,687	222,429
Latin America and Caribbean
Disaggregation of Revenue [Line Items]
Revenues	$ 53,902	$ 76,929	$ 163,992	$ 217,335
HVAC Equipment
Disaggregation of Revenue [Line Items]
Revenues from product lines, percentage	70.00%	68.00%	70.00%	68.00%
Other HVAC Products
Disaggregation of Revenue [Line Items]
Revenues from product lines, percentage	27.00%	29.00%	27.00%	28.00%
Commercial Refrigeration Products
Disaggregation of Revenue [Line Items]
Revenues from product lines, percentage	3.00%	3.00%	3.00%	4.00%

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