Acquisitions (Purchase Price Allocation of National Envelope) (Details) (National Envelope Acquisition [Member], USD $) In Thousands, unless otherwise specified	0 Months Ended
	Sep. 16, 2013
National Envelope Acquisition [Member]
Business Acquisition [Line Items]
Property, plant and equipment	$ 54,900
Other intangible assets	3,780
Total assets acquired	58,680
Accounts payable	967
Accrued compensation and related liabilities	1,210
Other current liabilities	1,351
Other liabilities	1,292
Note payable	2,536
Total liabilities assumed	7,356
Net assets acquired	51,324
Cost of the acquisition of certain assets of National	34,062
Gain on bargain purchase	$ 17,262