Restructuring - Restructuring Reserve Roll Forward (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended			9 Months Ended
	Apr. 30, 2013	Jan. 31, 2013	Apr. 30, 2012	Apr. 30, 2013	Apr. 30, 2012
Restructuring Cost and Reserve [Line Items]
Beginning balance, July 31, 2012				$ 9,074
Restructuring charges	8,540	1,947	1,977	10,487	1,977
Non-cash write-offs				(3,706)
Cash payments				(12,185)
Ending balance, January 31, 2013	6,634			6,634
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance, July 31, 2012				8,809
Restructuring charges	2,863		1,006	4,829
Non-cash write-offs				0
Cash payments				(10,239)
Ending balance, January 31, 2013	4,736			4,736
Asset Write Offs [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance, July 31, 2012				0
Restructuring charges				3,423
Non-cash write-offs				(3,706)
Cash payments				0
Ending balance, January 31, 2013	0			0
Other Restructuring Cost [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance, July 31, 2012				265
Restructuring charges				2,235
Non-cash write-offs				0
Cash payments				(1,946)
Ending balance, January 31, 2013	1,898			1,898
Die-Cut Asia [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2,964
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,344
Asset Write Offs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	283
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 1,337