December 31, 2013 | December 25, 2012 | December 27, 2011 | |||||||||
Beginning balance | $ | 3,051 | $ | 3,544 | $ | 2,896 | |||||
Tax positions related to the current year: | |||||||||||
Additions | 653 | 530 | 526 | ||||||||
Tax positions related to prior years: | |||||||||||
Additions | 256 | 217 | 264 | ||||||||
Reductions | (49 | ) | (341 | ) | (142 | ) | |||||
Settlements | (425 | ) | (58 | ) | — | ||||||
Expiration of statutes of limitations | (487 | ) | (841 | ) | — | ||||||
Ending balance | $ | 2,999 | $ | 3,051 | $ | 3,544 | |||||