XML 93 R72.htm IDEA: XBRL DOCUMENT v3.20.4

Share-Based Compensation Plans (Schedule of the Allocation of Performance Shares Between Total Shareholder Return and Earnings per Share) (Details)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Return on invested capital	18.00%	18.00%
Performance Based Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shareholder return	45.00%	45.00%	55.00%
Earnings per share	36.00%	36.00%	45.00%

X

- Definition

Percent of award allocated to earnings per share

+ References

No definition available.

+ Details

Name:	sri_PercentOfAwardAllocatedToEarningsPerShare
Namespace Prefix:	sri_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percent of award allocated to return on invested capital

+ References

No definition available.

+ Details

Name:	sri_PercentOfAwardAllocatedToReturnOnInvestedCapital
Namespace Prefix:	sri_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percent of award allocated to total shareholder return

+ References

No definition available.

+ Details

Name:	sri_PercentOfAwardAllocatedToTotalShareholderReturn
Namespace Prefix:	sri_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_AwardTypeAxis=sri_PerformanceBasedAwardsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: