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Related Parties - Additional Information (Detail)			1 Months Ended	3 Months Ended		12 Months Ended
Related Parties - Additional Information (Detail)	Dec. 05, 2012 USD ($)	Nov. 12, 2012	Aug. 31, 2010 USD ($)	Mar. 31, 2016 USD ($) Entity	Mar. 31, 2015 USD ($) Entity	Dec. 31, 2015 shares	Aug. 12, 2014 USD ($)
Junior Lien Notes Exchange Offer [Member]
Related Party Transaction [Line Items]
Debt instrument, total consideration							$ 50,000,000
Junior Lien Secured Notes, Due 2018 [Member] \| Junior Lien Notes Exchange Offer [Member]
Related Party Transaction [Line Items]
Junior lien secured notes issued							25,000,000
Senior Unsecured Notes, Due 2018 [Member] \| Junior Lien Notes Exchange Offer [Member]
Related Party Transaction [Line Items]
Debt instrument, total consideration							$ 26,300,000
Senior unsecured notes interest percentage							10.00%
Mr. Meister [Member] \| Multiple of Money ("MOM") Options [Member]
Related Party Transaction [Line Items]
Number of common stock shares issued for stock options and other stock awards \| shares						38,054
Blane Walter [Member]
Related Party Transaction [Line Items]
Related party transaction service amount threshold				$ 120,000
Services fees				$ 0	$ 1,800,000
Blane Walter [Member] \| InVentiv Health, Inc. [Member] \| Minimum [Member]
Related Party Transaction [Line Items]
Percentage of interest hold				10.00%
THL [Member]
Related Party Transaction [Line Items]
Management fee description				THL Management Agreement, THL Managers will receive an aggregate annual management fee in an amount per year equal to the greater of (a) $2.5 million or (b) 1.5% of EBITDA
Percentage of management fee in EBITDA			1.50%
Annual management fee			$ 2,500,000	$ 900,000	$ 700,000
Number of entities \| Entity				3	4
Related parties, description of transaction				THL or its affiliates held a 10% or greater interest that provided services exceeding $120,000 in value to the Company
Related party transaction service amount threshold				$ 120,000
Services fees				$ 400,000	$ 1,600,000
THL [Member] \| InVentiv Health, Inc. [Member] \| Minimum [Member]
Related Party Transaction [Line Items]
Percentage of interest hold						10.00%
Liberty Lane [Member]
Related Party Transaction [Line Items]
Annual management fee	$ 800,000		$ 1,000,000		$ 200,000
Percentage of common stock options granted as compensation		1.40%
Affiliates of Thomas H. Lee Partners L.P., Liberty Lane and Blane Walter [Member] \| Junior Lien Notes Exchange Offer [Member]
Related Party Transaction [Line Items]
Debt instrument, total consideration							$ 50,000,000
Affiliates of Thomas H. Lee Partners L.P., Liberty Lane and Blane Walter [Member] \| Junior Lien Secured Notes, Due 2018 [Member] \| Junior Lien Notes Exchange Offer [Member]
Related Party Transaction [Line Items]
Junior lien secured notes issued							25,000,000
Affiliates of Thomas H. Lee Partners L.P., Liberty Lane and Blane Walter [Member] \| Senior Unsecured Notes, Due 2018 [Member] \| Junior Lien Notes Exchange Offer [Member]
Related Party Transaction [Line Items]
Debt instrument, total consideration							$ 26,300,000
Senior unsecured notes interest percentage							10.00%