Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Summary of Activity in Allowance for Doubtful Accounts

Following is a summary of the activity in the allowance for doubtful accounts for fiscal years ending December 31, 2016, December 26, 2015 and December 27, 2014 (in thousands):

	Balance at Beginning of Period		Charged to Costs and Expenses		Write-offs, Net of Recoveries			Balance at End of Period
For the Fiscal Year Ended December 31, 2016
Trade receivables	$	4,327	$	2,772	$	(1,938	)	$	5,161
Other receivables		5,555		2,963		(1,969	)		6,549
Other non-current receivables		238		—		6			244
	$	10,120	$	5,735	$	(3,901	)	$	11,954
For the Fiscal Year Ended December 26, 2015
Trade receivables	$	4,338	$	3,985	$	(3,996	)	$	4,327
Other receivables		5,103		1,897		(1,445	)		5,555
Other non-current receivables		230		8		—			238
	$	9,671	$	5,890	$	(5,441	)	$	10,120
For the Fiscal Year Ended December 27, 2014
Trade receivables	$	3,773	$	2,893	$	(2,328	)	$	4,338
Other receivables		4,994		2,414		(2,305	)		5,103
Other non-current receivables		222		8		—			230
	$	8,989	$	5,315	$	(4,633	)	$	9,671

Reconciliation of Average Number of Common Shares and Common Share Equivalents Outstanding

The following table provides a reconciliation of the average number of common shares outstanding used to calculate earnings per common share to the average number of common shares and common share equivalents outstanding used to calculate diluted earnings per share (in thousands):

	Fiscal Years
	2016		2015		2014
Average number of common shares outstanding		42,112		43,664		44,956
Incremental shares from assumed exercises of stock options		124		149		213
Average number of common shares and common share equivalents outstanding		42,236		43,813		45,169