Acquisitions (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
Aug. 30, 2014	Apr. 01, 2014 Health Dialog	Apr. 10, 2014 RediClinic
Acquisitions
Ownership (as a percent)		100.00%	100.00%
Combined amount paid for entities acquired, net of cash acquired	$ 69,793
Cash acquired related to the acquisitions	19,945
Goodwill related to expected future synergies and operating efficiencies	$ 73,103

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

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- Definition

The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

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