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Derivative Instruments - Narrative (Details) $ in Thousands, £ in Millions		12 Months Ended
	Sep. 24, 2020 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2017 GBP (£) instrument	Jul. 01, 2016 instrument	Jun. 30, 2016 USD ($)
Derivative [Line Items]
Gain (loss) to be reclassified within twelve months		$ 1,500
Notional Amount		181,352	$ 479,825
Interest Rate Swap
Derivative [Line Items]
Realized loss	$ 6,400
Notional Amount	$ 300,000
Not Designated as Hedging Instrument \| Foreign Exchange Forward
Derivative [Line Items]
Fair value of derivatives						$ 37,800
Designated as Hedging Instrument \| Foreign Exchange Forward
Derivative [Line Items]
Number of forward contracts \| instrument				4	4
Notional Amount \| £				£ 357.3
Excess proceeds from forward contract settlement		64,000
Amount of AOCI to remain in AOCI		$ 26,200