XML 39 R23.htm IDEA: XBRL DOCUMENT v2.4.0.6

Inventories, net (Details Textual) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012
Inventories, net (Textual) [Abstract]
Increase in obsolete and excess inventory reserves	$ 6.5

X

- Definition

Increase in obsolete and excess inventory reserves.

+ References

No definition available.

+ Details

Name:	laws_IncreaseInObsoleteAndExcessInventoryReserves
Namespace Prefix:	laws_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	laws_InventoriesNetTextualAbstract
Namespace Prefix:	laws_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration