CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2013	Jun. 28, 2012 Predecessor	Jun. 28, 2012 Predecessor
Net earnings	$ 53,256	$ 45,798	$ 18,184	$ 18,911
Foreign currency translation adjustment, net of tax	331	1,965	2,962	590
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			771	1,806
Amortization of net (gain) loss included in net periodic benefit costs, net of tax	(19)	(38)	583	584
Amortization of prior service credit included in net periodic benefit costs, net of tax			(265)	(581)
Unrealized gain on marketable securities:
Unrealized holding gains arising during the period, net of tax	1,147	3,501	1,969	8,270
Less: reclassification adjustment for gains included in investment (income) expense, net of tax	(13)	(21)	(26)	(54)
Unrealized gain from equity method investees' cash flow hedge:
Unrealized holding gains arising during the period, net of tax	2,175	2,468
Holding gains reclassified to equity in earnings of non-consolidated entities	(247)	(247)
Other comprehensive income (loss)	3,374	7,628	5,994	(8,324)
Total comprehensive income	$ 56,630	$ 53,426	$ 24,178	$ 10,587