XML 47 R34.htm IDEA: XBRL DOCUMENT
v3.22.4

Leases (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Leases [Abstract] |
Lease costs | The table below presents the Company’s net lease cost and certain other information related to the Company’s leasing activities as of and for the years ended December 31, 2022, 2021 and 2020 (dollars in thousands).
|  | Year Ended December 31,
Description |  | 2022 |  | 2021 |  | 2020
Operating lease cost (1) |  | $ | 117,750 |  |  | $ | 130,383 |  |  | $ | 140,829 |
Variable lease cost (2) |  | 15,209 |  |  | 17,940 |  |  | 17,463 |
Sublease income |  | (46,698) |  |  | (42,801) |  |  | (38,925) |
Total lease cost, net (3) (4) |  | $ | 86,261 |  |  | $ | 105,522 |  |  | $ | 119,367 |
Cash paid for amounts included in the measurement of operating lease liabilities |  | $ | 137,399 |  |  | $ | 140,571 |  |  | $ | 137,790 |
Cash receipts from sublease arrangements |  | $ | 46,159 |  |  | $ | 42,374 |  |  | $ | 38,565 |
Right-of-use assets obtained in exchange for new operating lease liabilities |  | $ | 20,597 |  |  | $ | 33,113 |  |  | $ | 27,258 |
As of December 31, |  | 2022 |  | 2021 |  | 2020
Weighted average remaining lease term for operating leases (in years) |  | 7.9 |  | 8.7 |  | 9.6
Weighted average discount rate for operating leases |  | 6.6 | % |  | 6.5 | % |  | 6.6 | %
(1)Included in operating lease cost was $41.9 million, $42.3 million and $42.2 million of costs for subleasing activities during 2022, 2021, and 2020 respectively. (2)These amounts are primarily variable lease and nonlease costs that were not fixed at the lease commencement date or are dependent on something other than an index or a rate. (3)The Company did not capitalize any initial direct costs for operating leases during 2022, 2021, or 2020. (4)Amount excludes impairment charges of $54.0 million and $49.5 million, for the years ended December 31, 2022 and 2021, respectively, as discussed below.
Operating lease maturity schedule | As of December 31, 2022, the (i) maturities of operating lease liabilities under non-cancelable arrangements and (ii) estimated future sublease cash receipts from non-cancelable arrangements were as follows (in thousands):
|  | Operating |  | Sublease
|  | Lease |  | Cash
Period ending December 31, |  | Payments |  | Receipts
2023 |  | $ | 142,251 |  |  | $ | 52,286 |
2024 |  | 130,395 |  |  | 42,906 |
2025 |  | 114,233 |  |  | 43,226 |
2026 |  | 111,257 |  |  | 44,008 |
2027 |  | 107,228 |  |  | 44,889 |
Thereafter |  | 299,612 |  |  | 25,022 |
Total future minimum operating lease payments and estimated sublease cash receipts (1) |  | 904,976 |  |  | $ | 252,337 |
Imputed interest |  | (207,992) |  |  |
Total operating lease liabilities per the Consolidated Balance Sheet |  | $ | 696,984 |  |  |
(1)Approximately 80% of the operating lease payments pertain to properties in the United States.
Supplemental balance sheet information | The table below indicates where the discounted operating lease payments from the above table are classified in the Consolidated Balance Sheet (in thousands).
|  | December 31,
Description |  | 2022 |  | 2021
Accounts payable and accrued liabilities |  | $ | 99,717 |  |  | $ | 89,754 |
Operating lease liabilities |  | 597,267 |  |  | 697,766 |
Total operating lease liabilities per the Consolidated Balance Sheet |  | $ | 696,984 |  |  | $ | 787,520 |

X
- Definition Assets And Liabilities, Leases [Table Text Block] + References No definition available. + Details
Name: | it_AssetsAndLiabilitiesLeasesTableTextBlock
Namespace Prefix: | it_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980 + Details
Name: | us-gaap_LeaseCostTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_LeasesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918701-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration