Accumulated Other Comprehensive Income/(Loss) - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ (33,503)
Recapitalization of New Zealand JV	0
Ending balance	856	$ (33,503)
Net periodic pension cost	2,400
Curtailment gain	5,400
Accumulated Other Comprehensive Income/(Loss)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(33,503)	(4,825)
Other comprehensive income/(loss) before reclassifications	32,431	(36,365)
Amounts reclassified from accumulated other comprehensive loss	(1,510)	7,687
Net other comprehensive income/(loss)	30,921	(28,678)
Recapitalization of New Zealand JV	3,438
Ending balance	856	(33,503)
Foreign currency translation adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(2,450)	25,533
Other comprehensive income/(loss) before reclassifications	7,387	(27,983)
Amounts reclassified from accumulated other comprehensive loss	0	0
Net other comprehensive income/(loss)	7,387	(27,983)
Recapitalization of New Zealand JV	3,622
Ending balance	8,559	(2,450)
Net investment hedges of New Zealand JV
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	6,271	(145)
Other comprehensive income/(loss) before reclassifications	0	6,416
Amounts reclassified from accumulated other comprehensive loss	(4,606)	0
Net other comprehensive income/(loss)	(4,606)	6,416
Recapitalization of New Zealand JV	0
Ending balance	1,665	6,271
Cash flow hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(11,592)	(1,548)
Other comprehensive income/(loss) before reclassifications	22,024	(14,444)
Amounts reclassified from accumulated other comprehensive loss	583	4,400
Net other comprehensive income/(loss)	22,607	(10,044)
Recapitalization of New Zealand JV	(184)
Ending balance	10,831	(11,592)
Cash flow hedges | Interest rate swaps
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Other comprehensive income/(loss) before reclassifications	21,400
Employee benefit plans
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(25,732)	(28,665)
Other comprehensive income/(loss) before reclassifications	3,020	(354)
Amounts reclassified from accumulated other comprehensive loss	2,513	3,287
Net other comprehensive income/(loss)	5,533	2,933
Recapitalization of New Zealand JV	0
Ending balance	$ (20,199)	$ (25,732)