Statement Of Cash Flows [Abstract]
| Concept |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||
| Cash flows from (used in) operating activities [abstract] | |||||
| Interest paid, classified as operating activities | — |
283,500,000
USD
|
274,100,000
USD
|
— | — |
| Interest received, classified as operating activities | — |
4,400,000
USD
|
5,800,000
USD
|
— | — |
| Income taxes paid (refund), classified as operating activities | — |
25,400,000
USD
|
59,900,000
USD
|
— | — |
| Cash flows from (used in) operating activities | — |
617,800,000
USD
|
337,500,000
USD
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||
| Purchase of property, plant and equipment, classified as investing activities | — |
262,600,000
USD
|
300,000,000
USD
|
— | — |
| Purchase of intangible assets, classified as investing activities | — |
600,000
USD
|
-
USD
|
— | — |
| Cash flows from (used in) investing activities | — |
260,200,000
USD
|
252,600,000
USD
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||
| Payments to acquire or redeem entity's shares | — |
-
USD
|
700,000
USD
|
— | — |
| Proceeds from borrowings, classified as financing activities | — |
2,070,400,000
USD
|
1,765,500,000
USD
|
— | — |
| Repayments of borrowings, classified as financing activities | — |
2,396,000,000
USD
|
1,654,400,000
USD
|
— | — |
| Payments of lease liabilities, classified as financing activities | — |
37,300,000
USD
|
30,100,000
USD
|
— | — |
| Cash flows from (used in) financing activities | — |
244,900,000
USD
|
55,200,000
USD
|
— | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
112,700,000
USD
|
140,100,000
USD
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents | — |
26,900,000
USD
|
300,000
USD
|
— | — |
| Cash and cash equivalents |
686,300,000
USD
|
— | — |
600,500,000
USD
|
460,700,000
USD
|