Acquisitions | Estimated Purchase Price Allocation (Details) - USD ($) $ in Thousands	Apr. 30, 2017	Feb. 27, 2017	Jan. 31, 2017
Business Acquisition
Goodwill	$ 698,442		$ 199,021
TS
Business Acquisition
Current assets		$ 2,363,000
Property and equipment, net		61,000
Goodwill		493,000
Intangible assets		1,035,000
Other assets, net		180,000
Total assets		4,132,000
Other current liabilities		1,178,000
Revolving credit loans and long-term debt		119,000
Other long-term liabilities		118,000
Total liabilities		1,415,000
Estimated purchase price		$ 2,717,000