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Investments in and Advances to Joint Ventures - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 28, 2018	Sep. 30, 2019	Sep. 28, 2018	Dec. 31, 2018
Schedule Of Equity Method Investments [Line Items]
Letters of credit outstanding amount	$ 220.6		$ 220.6		$ 223.0
Unconsolidated Joint Ventures
Schedule Of Equity Method Investments [Line Items]
Net distributions from (contributions to) unconsolidated joint ventures	13.7	$ 20.1	28.0	$ 28.6
Consolidated Joint Ventures
Schedule Of Equity Method Investments [Line Items]
Letters of credit outstanding amount	$ 72.4		$ 72.4		$ 76.8