Subsequent Events	6 Months Ended
Jun. 30, 2016
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events. We have evaluated whether any subsequent events have occurred from June 30, 2016 to the time of filing of this report that would require disclosure in the consolidated financial statements. We note the following two events below. Acquisition of DFINE On July 6, 2016, we acquired DFINE, Inc., a medical device company headquartered in San Jose, California ("DFINE"), in a merger transaction through which DFINE became our wholly-owned subsidiary. The total merger consideration we paid in the transaction was approximately $97.5 million, which amount includes certain indebtedness and is subject to a working capital adjustment. We are currently evaluating the accounting treatment of this purchase, as well as performing the valuation of the assets acquired and the related purchase price allocation. Second Amended and Restated Credit Agreement In connection with the transactions contemplated by the DFINE acquisition referenced above, we entered into a Second Amended and Restated Credit Agreement, dated July 6, 2016 (the “Second Amended Credit Agreement”), with the lenders who are or may become party thereto (collectively, the “Lenders”), Wells Fargo Bank, National Association, as administrative agent (the “Agent”), swingline lender and a Lender, and Wells Fargo Securities, LLC, as sole lead arranger and sole bookrunner. The Second Amended Credit Agreement amends and restates in its entirety our previously outstanding Credit Agreement and all amendments thereto. In addition to Wells Fargo Bank, National Association, Bank of America, N.A., U.S. Bank, National Association, and HSBC Bank USA, National Association, are parties to the Second Amended Credit Agreement as Lenders. Pursuant to the terms of the Second Amended Credit Agreement, the Lenders have agreed to make a term loan in the amount of $150.0 million and revolving credit loans up to an aggregate amount of $275.0 million, of which $25.0 million will be reserved to make swingline loans from time to time.

Subsequent Events. We have evaluated whether any subsequent events have occurred from June 30, 2016 to the time of filing of this report that would require disclosure in the consolidated financial statements. We note the following two events below.

Acquisition of DFINE

On July 6, 2016, we acquired DFINE, Inc., a medical device company headquartered in San Jose, California ("DFINE"), in a merger transaction through which DFINE became our wholly-owned subsidiary. The total merger consideration we paid in the transaction was approximately $97.5 million, which amount includes certain indebtedness and is subject to a working capital adjustment. We are currently evaluating the accounting treatment of this purchase, as well as performing the valuation of the assets acquired and the related purchase price allocation.

Second Amended and Restated Credit Agreement

In connection with the transactions contemplated by the DFINE acquisition referenced above, we entered into a Second Amended and Restated Credit Agreement, dated July 6, 2016 (the “Second Amended Credit Agreement”), with the lenders who are or may become party thereto (collectively, the “Lenders”), Wells Fargo Bank, National Association, as administrative agent (the “Agent”), swingline lender and a Lender, and Wells Fargo Securities, LLC, as sole lead arranger and sole bookrunner. The Second Amended Credit Agreement amends and restates in its entirety our previously outstanding Credit Agreement and all amendments thereto. In addition to Wells Fargo Bank, National Association, Bank of America, N.A., U.S. Bank, National Association, and HSBC Bank USA, National Association, are parties to the Second Amended Credit Agreement as Lenders. Pursuant to the terms of the Second Amended Credit Agreement, the Lenders have agreed to make a term loan in the amount of $150.0 million and revolving credit loans up to an aggregate amount of $275.0 million, of which $25.0 million will be reserved to make swingline loans from time to time.