Short-Term Borrowings and Long-Term Debt - Outstanding Short Term Borrowings and Long Term Debt (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Feb. 02, 2021	Dec. 31, 2020	Jun. 05, 2020	Jan. 31, 2015
Debt Outstanding [Line Items]
Short-term borrowings	$ 38,434,000		$ 20,553,000
Long-term debt	$ 1,338,183,000		843,628,000
Senior Notes | 3.50% Senior Notes
Debt Outstanding [Line Items]
Maturity Date	Jan. 29, 2025
Principal value at period end	$ 350,000,000				$ 350,000,000
Long-term debt	$ 348,441,000		$ 348,348,000
Interest rate on senior notes	3.50%		3.50%		3.50%
Senior Notes | 3.125% Senior Notes
Debt Outstanding [Line Items]
Maturity Date	Jun. 05, 2030
Principal value at period end	$ 500,000,000			$ 500,000,000
Long-term debt	$ 495,387,000		$ 495,280,000
Interest rate on senior notes	3.125%			3.125%
Senior Notes | 1.800% Senior Notes
Debt Outstanding [Line Items]
Maturity Date	Feb. 02, 2031
Principal value at period end		$ 500,000,000
Long-term debt	$ 494,355,000		0
Interest rate on senior notes	1.80%	1.80%
Other short-term borrowings
Debt Outstanding [Line Items]
Principal value at period end	$ 38,434,000
Short-term borrowings	$ 38,434,000		$ 20,553,000