Derivative Financial Instruments (Schedule Of Cash Flow Hedging Instruments) (Detail) - Cash Flow Hedging - Designated as Hedging Instrument	Jun. 30, 2020 USD ($)
October 2021
Derivative [Line Items]
Notional	$ 25,000,000
Fair Value - Asset (Liability)	(681,000)
November 2021
Derivative [Line Items]
Notional	20,000,000
Fair Value - Asset (Liability)	(604,000)
December 2021
Derivative [Line Items]
Notional	165,000,000
Fair Value - Asset (Liability)	(5,239,000)
March 2022
Derivative [Line Items]
Notional	500,000,000
Fair Value - Asset (Liability)	(1,080,000)
May 2022
Derivative [Line Items]
Notional	370,000,000
Fair Value - Asset (Liability)	(13,819,000)
June 2022
Derivative [Line Items]
Notional	160,000,000
Fair Value - Asset (Liability)	(6,198,000)
July 2022
Derivative [Line Items]
Notional	230,000,000
Fair Value - Asset (Liability)	(9,013,000)
August 2022
Derivative [Line Items]
Notional	235,000,000
Fair Value - Asset (Liability)	(9,715,000)
March 2023
Derivative [Line Items]
Notional	250,000,000
Fair Value - Asset (Liability)	(1,469,000)
April 2024
Derivative [Line Items]
Notional	250,000,000
Fair Value - Asset (Liability)	(2,439,000)
July 2027
Derivative [Line Items]
Notional	1,000,000,000
Fair Value - Asset (Liability)	(2,356,000)
September 2023
Derivative [Line Items]
Notional	112,500,000
Fair Value - Asset (Liability)	(6,960,000)
Total Cash Flow Hedges
Derivative [Line Items]
Notional	3,317,500,000
Fair Value - Asset (Liability)	$ (59,573,000)