Stockholders' Deficit - Narrative (Details) - USD ($)			3 Months Ended
	Apr. 03, 2020	Jan. 10, 2020	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Feb. 20, 2019
Equity, Class of Treasury Stock [Line Items]
Dividends paid on common stock			$ 11,451,000	$ 11,153,000
Dividends declared per common share (USD per share)			$ 0.76	$ 0.69
Dividends payable			$ 12,739,000		$ 11,702,000
Dividends paid per common share (USD per share)		$ 0.69	$ 0.69	$ 0.63
Treasury stock reissued (shares)			367,200
Reissuance of treasury stock			$ 20,524,000	$ 6,768,000
Treasury Stock
Equity, Class of Treasury Stock [Line Items]
Treasury stock reissued (shares)			368,000	168,000
Reissuance of treasury stock			$ 16,557,000	$ 7,435,000
Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Dividends paid per common share (USD per share)	$ 760.00
2019 Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount						$ 200,000,000