COMMON STOCK (Details) - $ / shares		3 Months Ended
Nov. 09, 2016	Apr. 01, 2017
Cash dividend declared	$ 0.300
Cash dividend paid		$ 0.035
Special cash dividend	$ 0.265
Common Class A and B
Common stock dividends declared and paid		$ 0.035

Aggregate dividends declared and paid during the period for each share of common stock outstanding.

No definition available.

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- Definition

Aggregate special dividends declared during the period for each share of common stock outstanding.

+ References

No definition available.

+ Details

Name:	sts_CommonStockSpecialDividend
Namespace Prefix:	sts_
Data Type:	num:perShareItemType
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Period Type:	duration

- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

+ Details

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

+ Details

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- Details

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