Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Subsequent Events (Details) - USD ($) $ in Thousands	2 Months Ended	12 Months Ended
Subsequent Events (Details) - USD ($) $ in Thousands	Mar. 01, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Subsequent Event [Line Items]
Business Combination, Consideration Transferred			$ 56,786
Restructuring Charges		$ 800	$ 6,700	$ 3,500
Subsequent Event [Member]
Subsequent Event [Line Items]
Business Combination, Consideration Transferred	$ 275,000
Proceeds from Issuance of Unsecured Debt	75,000
Business Combination, Contingent Consideration, Liability	225,000
Minimum [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Restructuring Charges	3,800
Maximum [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Restructuring Charges	$ 4,200