XML 36 R26.htm IDEA: XBRL DOCUMENT
v3.21.1

LEASES (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2021
LEASES |
Summary of lease cost | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended
​ | ​ | March 31,
(In millions) |  | 2021 | ​ | 2020
Operating lease cost | ​ | $ | 25.3 | ​ | $ | 20.0
Short-term lease cost | ​ |  | 2.0 | ​ |  | 0.1
Variable lease cost | ​ |  | 0.2 | ​ |  | 0.2
Total lease cost | ​ | $ | 27.5 | ​ | $ | 20.3

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 http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 + Details
Name: | us-gaap_LeaseCostTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum: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