XML 87 R63.htm IDEA: XBRL DOCUMENT
v3.20.1

Capital Stock Repurchase Plan Transactions (Narrative) (Details) $ in Millions | Mar. 31, 2020 USD ($)
--- | ---
Capital Stock Repurchase Plan Transactions [Abstract] |
Stock repurchase program, amount authorized | $ 250.0
Stock repurchase program, remaining authorized repurchase amount | $ 253.8

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

X
- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant