Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Effects of Derivative Instruments on the Consolidated Statements of Operations

The effects of derivative instruments on the consolidated statements of operations for Fiscal 2015 and Fiscal 2014 are as follows:

	Gain (loss)  Recognized in OCI					Loss Reclassified from AOCI into Income
	Fiscal 2015		Fiscal 2014			Fiscal 2015			Fiscal 2014
Diesel fuel swap	$	2,002	$	(2,002	)	$	(2,946	)	$	(64	)
Natural gas swap		292		(292	)		(427	)		(87	)
	$	2,294	$	(2,294	)	$	(3,373	)	$	(151	)