Cash and cash equivalents consisted of the following as of December 27, 2014:



(in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
Current assets:
Cash	$	131,263	$	—	$	—	$	131,263
Cash equivalents:
Money market funds	327,742		—		—		327,742
Time deposits	134,085		—		—		134,085
Commercial paper	29,500		—		—		29,500
Total cash and cash equivalents	622,590		—		—		622,590
Short-term investments:
Time deposits	10,787		—		—		10,787
Total short-term investments	10,787		—		—		10,787
Total cash, cash equivalents and short-term investments	$	633,377	$	—	$	—	$	633,377

Cash and cash equivalents consisted of the following as of September 27, 2014:



(in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
Current assets:
Cash	$	130,668	$	—	$	—	$	130,668
Cash equivalents:
Money market funds	295,529		—		—		295,529
Time deposits	132,284		—		—		132,284
Commercial paper	29,500		—		—		29,500
Total cash and cash equivalents	587,981		—		—		587,981
Short-term investments
Time deposits	9,105		—		—		9,105
Total short-term investments	9,105		—		—		9,105
Total cash, cash equivalents and short-term investments	$	597,086	$	—	$	—	$	597,086