CONDENSED CONSOLIDATING FINANCIAL INFORMATION (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
CONDENSED CONSOLIDATING FINANCIAL INFORMATION
Net earnings (loss)	$ 7,376	$ 33,465	$ 34,261	$ 84,783
Foreign currency translation adjustment, net of tax	1,090	(1,624)	657	341
Pension and other benefit adjustments:
Amortization of gains included in net periodic benefit costs, net of tax	(211)	(20)	(632)	(58)
Amortization of prior service credit included in net periodic benefit costs, net of tax	(254)		(762)
Unrealized gains on marketable securities:
Unrealized holding losses arising during the period, net of tax	(2,597)	(8,342)	762	(4,841)
Less: reclassification adjustment for gains included in investment income, net of tax	(10)	(280)	(25)	(301)
Unrealized gains from equity method investees' cash flow hedge:
Unrealized holding gains arising during the period, net of tax	408	21	136	2,489
Holding gains reclassified to equity in earnings of non-consolidated entities, net of tax	134	(43)	397	(290)
Other comprehensive income (loss)	(1,440)	(10,288)	533	(2,660)
Total comprehensive income	5,936	23,177	34,794	82,123
Consolidating Adjustments
CONDENSED CONSOLIDATING FINANCIAL INFORMATION
Net earnings (loss)	(3,804)	(29,475)	(23,124)	(72,774)
Equity in other comprehensive income of subsidiaries	751	11,645	(788)	2,684
Unrealized gains from equity method investees' cash flow hedge:
Other comprehensive income (loss)	751	11,645	(788)	2,684
Total comprehensive income	(3,053)	(17,830)	(23,912)	(70,090)
AMCE | Reportable Entity
CONDENSED CONSOLIDATING FINANCIAL INFORMATION
Net earnings (loss)	7,376	33,465	34,261	84,783
Equity in other comprehensive income of subsidiaries	(1,440)	(10,288)	533	(2,660)
Unrealized gains from equity method investees' cash flow hedge:
Other comprehensive income (loss)	(1,440)	(10,288)	533	(2,660)
Total comprehensive income	5,936	23,177	34,794	82,123
Subsidiary Guarantors | Reportable Entity
CONDENSED CONSOLIDATING FINANCIAL INFORMATION
Net earnings (loss)	4,292	29,913	24,585	73,430
Equity in other comprehensive income of subsidiaries	689	(1,357)	255	(24)
Foreign currency translation adjustment, net of tax	401	(267)	402	365
Pension and other benefit adjustments:
Amortization of gains included in net periodic benefit costs, net of tax	(211)	(20)	(632)	(58)
Amortization of prior service credit included in net periodic benefit costs, net of tax	(254)		(762)
Unrealized gains on marketable securities:
Unrealized holding losses arising during the period, net of tax	(2,597)	(8,342)	762	(4,841)
Less: reclassification adjustment for gains included in investment income, net of tax	(10)	(280)	(25)	(301)
Unrealized gains from equity method investees' cash flow hedge:
Unrealized holding gains arising during the period, net of tax	408	21	136	2,489
Holding gains reclassified to equity in earnings of non-consolidated entities, net of tax	134	(43)	397	(290)
Other comprehensive income (loss)	(1,440)	(10,288)	533	(2,660)
Total comprehensive income	2,852	19,625	25,118	70,770
Subsidiary Non-Guarantors | Reportable Entity
CONDENSED CONSOLIDATING FINANCIAL INFORMATION
Net earnings (loss)	(488)	(438)	(1,461)	(656)
Foreign currency translation adjustment, net of tax	689	(1,357)	255	(24)
Unrealized gains from equity method investees' cash flow hedge:
Other comprehensive income (loss)	689	(1,357)	255	(24)
Total comprehensive income	$ 201	$ (1,795)	$ (1,206)	$ (680)