Borrowing Arrangements Future (Tables)

12 Months Ended

Jan. 31, 2020

Debt Disclosure [Abstract]

Fair Value of Market Price

Based on the quoted market prices, the approximate fair value of the notes as of January 31, 2020 were as follows:

	Aggregate Principal Amount		Fair value
2012 Notes	$	350.0	$	364.0
$450 2015 Notes	450.0		451.5
$300 2015 Notes	300.0		331.9
2017 Notes	500.0		535.0
2020 Notes	500.0		513.3

Future Minimum Payments For Borrowings

The expected future principal payments for all borrowings as of January 31, 2020 are as follows:

Fiscal year ending
2021	$	450.0
2022	—
2023	350.0
2024	—
2025	—
Thereafter	1,300.0
Total principal outstanding	$	2,100.0