Costs Associated with Exit or Disposal Activities - Additional Information (Detail) - Jun. 30, 2015 $ in Millions	USD ($) Employees
Restructuring and Related Activities [Abstract]
Estimated employee rationalization associated with exit or disposal activities \| Employees	800
Cash payment related to restructuring plan	$ 14.9
Lease termination date	Feb. 28, 2017

Restructuring costs estimated employee rationalization.

No definition available.

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Namespace Prefix:	syke_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant