Derivatives and Hedging Activities - Additional Information (Detail)	3 Months Ended	9 Months Ended
	Sep. 29, 2018 USD ($) Interest_Rates_Swaps Agreement gal	Jun. 30, 2019 gal
Derivative [Line Items]
Number of arrangements | Agreement	4
Non-monetary notional amount volume	6,000,000
Scenario Forecast [Member]
Derivative [Line Items]
Non-monetary notional amount volume		3,800,000
Interest Rate Swaps [Member]
Derivative [Line Items]
Number of interest rate swaps | Interest_Rates_Swaps	7
Notional Amount | $	$ 450,000,000