Debt (Tables)

9 Months Ended

Oct. 31, 2017

Debt Disclosure [Abstract]

Schedule of Maturities of Long-term Debt [Table Text Block]

Future payments of debt at October 31, 2017 and for succeeding fiscal years are as follows (in thousands):

Fiscal Year:
2018 (remaining 3 months)	$	110,008
2019	21,775
2020	43,382
2021	180,114
2022	76,780
Thereafter	1,496,875
Total principal payments	$	1,928,934

Schedule of Debt [Table Text Block]

The carrying value of the Company's outstanding debt consists of the following (in thousands):

As of:	October 31, 2017			January 31, 2017
Senior Notes, interest at 3.70% payable semi-annually, due February 15, 2022	$	500,000		$	500,000
Senior Notes, interest at 4.95% payable semi-annually, due February 15, 2027	500,000			500,000
Senior Notes, interest at 3.75% payable semi-annually, due September 21, 2017	—			350,000
Less—unamortized debt discount and debt issuance costs	(9,056		)	(10,633		)
Senior Notes, net	990,944			1,339,367
Term Loans	800,000			—
Other committed and uncommitted revolving credit facilities, average interest rate of 6.10% and 8.35% at October 31, 2017 and January 31, 2017, respectively	109,052			23,680
Other long-term debt	19,882			—
	1,919,878			1,363,047
Less—current maturities (included as “revolving credit loans and current maturities of long-term debt, net”)	(113,422		)	(373,123		)
Total long-term debt	$	1,806,456		$	989,924