CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	1 Months Ended	3 Months Ended	9 Months Ended	2 Months Ended	8 Months Ended
	Sep. 27, 2012	Sep. 30, 2013	Sep. 30, 2013	Aug. 30, 2012 Predecessor	Aug. 30, 2012 Predecessor
Net earnings (loss)	$ (43,043)	$ 33,465	$ 84,783	$ 76,216	$ 95,127
Foreign currency translation adjustment, net of tax	(895)	(1,624)	341	8,973	9,563
Pension and other benefit adjustments:
Net loss arising during the period, net of tax					(18,939)
Net prior service credit arising during the period, net of tax					1,806
Amortization of net (gain) loss included in net periodic benefit costs, net of tax		(20)	(58)	404	988
Amortization of prior service credit included in net periodic benefit costs, net of tax				(183)	(764)
Unrealized gain (loss) on marketable securities:
Unrealized holding gain (loss) arising during the period, net of tax	(731)	(8,342)	(4,841)	(6,136)	2,134
Less: reclassification adjustment for gains included in investment income, net of tax	(1)	(280)	(301)	(18)	(72)
Unrealized gain from equity method investees' cash flow hedge:
Unrealized holding gains arising during the period, net of tax		21	2,489
Holding gains reclassified to equity in earnings of non-consolidated entities		(43)	(290)
Other comprehensive income (loss)	(1,627)	(10,288)	(2,660)	3,040	(5,284)
Total comprehensive income (loss)	$ (44,670)	$ 23,177	$ 82,123	$ 79,256	$ 89,843