Statement Of Cash Flows [Abstract]

Babcock International Group PLC - Filing #1912724

Concept	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	As at 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	As at 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31	2021-04-01 to 2022-03-31
Statement of cash flows [abstract]
Cash flows from (used in) operating activities [abstract]
Profit (loss)	– GBP	35,000,000 GBP	– GBP	– GBP	—	– GBP	– GBP	1,700,000 GBP	– GBP	35,000,000 GBP	33,300,000 GBP	164,200,000 GBP	– GBP	3,700,000 GBP	– GBP	164,200,000 GBP	– GBP	167,900,000 GBP	—	– GBP	– GBP	– GBP
Adjustments to reconcile profit (loss) [abstract]
Adjustments for income tax expense	—	—	—	—	—	—	—	—	—	—	39,500,000 GBP	—	—	—	—	—	—	14,400,000 GBP	—	—	—	—
Adjustments for finance costs	—	—	—	—	—	—	—	—	—	—	70,500,000 GBP	—	—	—	—	—	—	80,400,000 GBP	—	—	—	—
Adjustments for decrease (increase) in inventories	—	—	—	—	—	—	—	—	—	—	25,700,000 GBP	—	—	—	—	—	—	10,600,000 GBP	—	—	—	—
Adjustments for provisions	—	—	—	—	—	—	—	—	—	—	47,900,000 GBP	—	—	—	—	—	—	30,900,000 GBP	—	—	—	—
Adjustments for share-based payments	—	—	—	—	—	—	—	—	—	—	9,400,000 GBP	—	—	—	—	—	—	5,500,000 GBP	—	—	—	—
Cash flows from (used in) operations	—	—	—	—	—	—	—	—	—	—	348,900,000 GBP	—	—	—	—	—	—	41,800,000 GBP	—	—	—	—
Interest paid, classified as operating activities	—	—	—	—	—	—	—	—	—	—	77,000,000 GBP	—	—	—	—	—	—	54,900,000 GBP	—	—	—	—
Interest received, classified as operating activities	—	—	—	—	—	—	—	—	—	—	14,800,000 GBP	—	—	—	—	—	—	9,900,000 GBP	—	—	—	—
Income taxes paid (refund), classified as operating activities	—	—	—	—	—	—	—	—	—	—	25,400,000 GBP	—	—	—	—	—	—	10,000,000 GBP	—	—	—	—
Cash flows from (used in) operating activities	—	—	—	—	—	—	—	—	—	—	261,300,000 GBP	—	—	—	—	—	—	6,800,000 GBP	—	—	—	—
Cash flows from (used in) investing activities [abstract]
Cash flows from losing control of subsidiaries or other businesses, classified as investing activities	—	—	—	—	—	—	—	—	—	—	158,600,000 GBP	—	—	—	—	—	—	420,700,000 GBP	—	—	—	—
Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities	—	—	—	—	—	—	—	—	—	—	– GBP	—	—	—	—	—	—	15,500,000 GBP	—	—	—	—
Other cash payments to acquire interests in joint ventures, classified as investing activities	—	—	—	—	—	—	—	—	—	—	– GBP	—	—	—	—	—	—	2,600,000 GBP	—	—	—	—
Proceeds from sales of property, plant and equipment, classified as investing activities	—	—	—	—	—	—	—	—	—	—	38,500,000 GBP	—	—	—	—	—	—	68,000,000 GBP	—	—	—	—
Purchase of property, plant and equipment, classified as investing activities	—	—	—	—	—	—	—	—	—	—	104,200,000 GBP	—	—	—	—	—	—	190,800,000 GBP	—	—	—	—
Proceeds from sales of intangible assets, classified as investing activities	—	—	—	—	—	—	—	—	—	—	400,000 GBP	—	—	—	—	—	—	– GBP	—	—	—	—
Purchase of intangible assets, classified as investing activities	—	—	—	—	—	—	—	—	—	—	20,900,000 GBP	—	—	—	—	—	—	12,400,000 GBP	—	—	—	—
Cash advances and loans made to other parties, classified as investing activities	—	—	—	—	—	—	—	—	—	—	– GBP	—	—	—	—	—	—	1,400,000 GBP	—	—	—	—
Cash receipts from repayment of advances and loans made to other parties, classified as investing activities	—	—	—	—	—	—	—	—	—	—	2,400,000 GBP	—	—	—	—	—	—	31,000,000 GBP	—	—	—	—
Dividends received, classified as investing activities	—	—	—	—	—	—	—	—	—	—	8,700,000 GBP	—	—	—	—	—	—	41,600,000 GBP	—	—	—	—
Cash flows from (used in) investing activities	—	—	—	—	—	—	—	—	—	—	83,500,000 GBP	—	—	—	—	—	—	338,600,000 GBP	—	—	—	—
Cash flows from (used in) financing activities [abstract]
Proceeds from borrowings, classified as financing activities	—	—	—	—	—	—	—	—	—	—	416,600,000 GBP	—	—	—	—	—	—	23,100,000 GBP	—	—	—	—
Repayments of borrowings, classified as financing activities	—	—	—	—	—	—	—	—	—	—	972,800,000 GBP	—	—	—	—	—	—	31,700,000 GBP	—	—	—	—
Payments of lease liabilities, classified as financing activities	—	—	—	—	—	—	—	—	—	—	108,500,000 GBP	—	—	—	—	—	—	113,000,000 GBP	—	—	—	—
Cash flows from (used in) financing activities	—	—	—	—	—	—	—	—	—	—	666,100,000 GBP	—	—	—	—	—	—	122,700,000 GBP	—	—	—	—
Increase (decrease) in cash and cash equivalents before effect of exchange rate changes	—	—	—	—	—	—	—	—	—	—	321,300,000 GBP	—	—	—	—	—	—	222,700,000 GBP	—	—	—	—
Effect of exchange rate changes on cash and cash equivalents [abstract]
Effect of exchange rate changes on cash and cash equivalents	—	—	—	—	—	—	—	—	—	—	5,700,000 GBP	—	—	—	—	—	—	2,900,000 GBP	—	—	—	—
Cash and cash equivalents	—	—	—	—	451,700,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	1,146,300,000 GBP	—	—	—