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Supplemental Cash Flow Information - Summary of Net Change in Non Cash Working Capital and Other (Detail) - CAD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Net Change in Working Capital and Other [Line Items]          
Accounts receivable $ (9,840) $ 25,622 $ 1,169 $ 170,646 $ 85,316
Contract assets (31,418) 16,256 (16,038) 63,670 27,635
Inventories (22,872) 7,222 39,564 57,134 (93,179)
Work-in-progress related to finance leases 3,792   (36,169) 0 0
Finance leases receivable (34,199) 463 (39,084) (63,374) 754
Income taxes receivable 187 895 19,986 (17,092) 2,431
Deferred revenue 24,603 (5,610) 49,205 (54,000) (259,395)
Accounts payable and accrued liabilities, provisions, and income taxes payable 27,486 (10,995) 55,441 (114,811) 20,620
Foreign currency and other (5,995) (535) 8,863 15,057 (19,593)
Increase Decrease In Working Capital (48,256) 33,318 82,937 57,230 (235,411)
Interest paid – short- and long-term borrowings 1,017 627 17,315 19,311 19,330
Interest paid – lease liabilities 695 793 3,029 3,371 2,586
Total interest paid 1,712 1,420 20,344 22,682 21,916
Interest received 356 58 454 308 3,518
Taxes paid 997 900 13,725 18,825 29,855
Taxes received $ 627 $ 148 $ 23,137 $ 5,566 $ 421