CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (Parenthetical) (USD $)	3 Months Ended		9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013
Other comprehensive income/(loss):
Change in pension and postretirement benefit costs, taxes	$ 100,360	$ 149,033	$ 301,078	$ 442,866