CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (Parenthetical) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014
Other comprehensive income/(loss):
Change in pension and postretirement benefit costs, taxes	$ 186,514	$ 100,368	$ 373,028	$ 200,718