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Business Combinations (Narrative) (Details) - USD ($) $ in Thousands	Sep. 28, 2021	Mar. 09, 2021	Oct. 31, 2021	Sep. 27, 2021	Jan. 31, 2021
Business Acquisition [Line Items]
Goodwill			$ 2,428,481		$ 1,819,625
Carrying value			$ 169,929		$ 73,142
Zimit, Inc.
Business Acquisition [Line Items]
Carrying value				$ 2,000
Zimit, Inc.
Business Acquisition [Line Items]
Consideration transferred, including equity interest in acquiree held prior to combination	$ 76,000
Cash paid to stockholders, warrant holders, and vested option holders	62,000
Equity interest in acquiree, fair value	14,000
Goodwill	67,000
Business combination, step acquisition, equity interest in acquiree, remeasurement gain	12,000
Zimit, Inc. \| Developed technology
Business Acquisition [Line Items]
Estimated Fair Values	$ 7,000
Weighted-Average Useful Lives (in Years)	4 years
Zimit, Inc. \| Customer relationships
Business Acquisition [Line Items]
Estimated Fair Values	$ 3,000
Weighted-Average Useful Lives (in Years)	13 years
Peakon ApS
Business Acquisition [Line Items]
Cash paid to stockholders, warrant holders, and vested option holders		$ 683,788
Estimated Fair Values		$ 170,500
Weighted-Average Useful Lives (in Years)		8 years
Goodwill		$ 542,201
Consideration paid for acquisition		701,748
Peakon ApS \| Developed technology
Business Acquisition [Line Items]
Estimated Fair Values		$ 94,000
Weighted-Average Useful Lives (in Years)		5 years
Peakon ApS \| Customer relationships
Business Acquisition [Line Items]
Estimated Fair Values		$ 72,000
Weighted-Average Useful Lives (in Years)		13 years
Peakon ApS \| Restricted Stock
Business Acquisition [Line Items]
Non-option equity instruments, granted (in shares)		81,695