Restructuring - Restructuring Reserve Roll Forward (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended					12 Months Ended
	Jul. 31, 2013	Apr. 30, 2013	Jan. 31, 2013	Jul. 31, 2012	Apr. 30, 2012	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2011
Restructuring Reserve [Roll Forward]
Beginning balance						$ 9,075	$ 2,257	$ 6,161
Restructuring charges	15,573	8,540	1,933	4,107	1,977	26,046	6,084	6,451
Non-cash write-offs						(4,487)	(458)	(2,155)
Cash payments						(20,977)	(4,834)	(10,938)
Ending balance	14,206			9,075		14,206	9,075	2,257
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Beginning balance						8,809	2,207	6,055
Restructuring charges						18,350	4,947	4,338
Non-cash write-offs						0	0	0
Cash payments						(18,495)	(4,342)	(10,189)
Ending balance	11,475			8,809		11,475	8,809	2,207
Asset Write Offs [Member]
Restructuring Reserve [Roll Forward]
Beginning balance						0	0	0
Restructuring charges						4,125	458	1,577
Non-cash write-offs						(4,487)	(458)	(2,155)
Cash payments						0	0	0
Ending balance	0			0		0	0	0
Other Restructuring Cost [Member]
Restructuring Reserve [Roll Forward]
Beginning balance						266	50	106
Restructuring charges						3,571	679	536
Non-cash write-offs						0	0	0
Cash payments						(2,482)	(492)	(749)
Ending balance	2,731			266		2,731	266	50
Die-Cut Asia [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges						4,549	6,026	2,738
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges						1,376	29	157
Asset Write Offs [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges						362	0	578
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges						$ 2,811	$ 5,997	$ 2,003