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Number of shares of equity interests issued or issuable to acquire entity.

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Amount of other deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. For example, but not limited to, acquisition-date income tax benefits or expenses recognized from changes in the acquirer's valuation allowance for its previously existing deferred tax assets resulting from a business combination and adjustments to beginning-of-year balance of a valuation allowance because of a change in circumstance causing a change in judgment about the realizability of the related deferred tax asset in future periods.

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Acquisition, Integration and Restructuring Expenses \| Acquisition (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Feb. 28, 2017	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2019	Oct. 31, 2018
Business Acquisition
Acquisition, integration and restructuring expenses		$ 4,647	$ 20,277	$ 16,077	$ 66,799
TS
Business Acquisition
Payments to Acquire Businesses, Gross	$ 2,500,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	2,785,402
Business Acquisition, Effective Date of Acquisition	Feb. 27, 2017
Business Combination, Consideration Transferred	$ 2,800,000
Acquisition, integration and restructuring expenses		0	7,153	0	35,332
Deferred Other Tax Expense (Benefit)					(13,000)
Transaction Related Costs [Member] \| TS
Business Acquisition
Acquisition, integration and restructuring expenses			$ 268		1,461
Transaction Related Costs [Member] \| Apollo and DLT [Member]
Business Acquisition
Acquisition, integration and restructuring expenses		$ 1,800		$ 1,800
Working Capital Adjustment Gain/Loss [Domain] \| TS
Business Acquisition
Acquisition, integration and restructuring expenses					$ (9,600)