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Revenue Recognition (Tables)

3 Months Ended

Dec. 31, 2023

Revenue Recognition.

Schedule of revenues disaggregated by revenue sources

​

​	​	​	​	​	​	​
​	​	Three months ended
​	​	December 31,		​	December 31,
​		2023			2022
​		(in millions)
Cost reimbursable	​	$	1,617.2	​	$	1,514.9
Guaranteed maximum price	​		1,414.9	​	​	1,088.2
Fixed price	​		867.8	​	​	779.3
Total revenue	​	$	3,899.9	​	$	3,382.4

​

​	​	​	​	​	​	​
​	​	Three months ended
​	​	December 31,		​	December 31,
​		2023			2022
​		(in millions)
Americas	​	$	3,038.9	​	$	2,579.6
Europe, Middle East, India, Africa	​		495.4	​	​	448.0
Asia-Australia-Pacific	​		365.6	​	​	354.8
Total revenue	​	$	3,899.9	​	$	3,382.4

​

Schedule of net accounts receivable

​

​	​	​	​	​	​	​
​		December 31,		​	September 30,
​	​	2023			2023
​	​	(in millions)
Billed	​	$	2,031.2	​	$	2,122.2
Contract retentions	​		575.9	​	​	516.5
Total accounts receivable—gross	​		2,607.1	​	​	2,638.7
Allowance for doubtful accounts and credit losses	​		(82.6)	​	​	(94.2)
Total accounts receivable—net	​	$	2,524.5	​	$	2,544.5

X

- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-5

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- References

No definition available.

+ Details

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X

- Definition

Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.3,4)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

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