Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 24, 2016	Jun. 26, 2015	Jun. 24, 2016	Jun. 26, 2015
Consolidated Statements of Comprehensive (Loss) Income
Net (loss) income	$ (154,190)	$ 15,634	$ (130,466)	$ 43,139
Other comprehensive income (loss):
Foreign currency translation adjustments	10,599	2,292	11,765	(12,888)
Benefit plan adjustments, net of tax	1,950	2,638	4,070	5,278
Other comprehensive income (loss)	12,549	4,930	15,835	(7,610)
Comprehensive (loss) income	(141,641)	20,564	(114,631)	35,529
Less: comprehensive income (loss) attributable to noncontrolling interests	(92,148)	(644)	(93,003)	3,363
Comprehensive (loss) income attributable to CH2M	$ (49,493)	$ 21,208	$ (21,628)	$ 32,166

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Other Comprehensive Income
-URI http://asc.fasb.org/extlink&oid=51831270

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-URI http://asc.fasb.org/extlink&oid=51831223

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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