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Basis of Presentation Revenue from External Customers	6 Months Ended
	Jun. 30, 2015
Maximum
Revenue from External Customer [Line Items]
Service sales percentage of net sales	1.00%

X

- Definition

Percentage of net sales attributed to services sales.

+ References

No definition available.

+ Details

Name:	ssd_ServiceSalesPercentageOfNetSales
Namespace Prefix:	ssd_
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_EntityWideInformationRevenueFromExternalCustomerLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: