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.

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Commitments and Contingencies - Legal Matters (Details) - Pending litigation - patent	Apr. 30, 2015	Apr. 28, 2015
Intuitive Building Controls Inc
Legal Matters
Number of patents allegedly infringed	3
Certified Measurement LLC
Legal Matters
Number of patents allegedly infringed		3