Segment Information Sales to Unaffiliated Customers and Long-Lived Assets by Geographic Areas (Details) (USD $)	3 Months Ended										12 Months Ended
	Jan. 31, 2014		Oct. 31, 2013	Jul. 31, 2013	Apr. 30, 2013		Jan. 31, 2013	Oct. 31, 2012	Jul. 31, 2012	Apr. 30, 2012	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 1,298,284,000	[1]	$ 911,478,000	$ 925,884,000	$ 895,484,000	[2]	$ 1,235,769,000	$ 852,741,000	$ 886,569,000	$ 819,170,000	$ 4,031,130,000	$ 3,794,249,000	$ 3,642,937,000
Long-Lived Assets	896,429,000						860,256,000				896,429,000	860,256,000	800,168,000
UNITED STATES [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											1,770,731,000	1,696,502,000	1,687,478,000
Long-Lived Assets	632,907,000						630,805,000				632,907,000	630,805,000	597,124,000
Japan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											578,571,000	639,185,000	616,505,000
Long-Lived Assets	21,571,000						28,971,000				21,571,000	28,971,000	32,030,000
Other Countries [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											1,681,828,000	1,458,562,000	1,338,954,000
Long-Lived Assets	$ 241,951,000						$ 200,480,000				$ 241,951,000	$ 200,480,000	$ 171,014,000

[1] On a pre-tax basis, includes charges of $480,211,000 for the quarter ended January 31, related to the adverse arbitration ruling between The Swatch Group Ltd. and the Company (see "Note K - Commitments and Contingencies") and pre-tax income of $7,489,000 associated with foreign currency transaction gains on this expense. This reduced net earnings per diluted share by $2.27

[2] On a pre-tax basis, includes charges of $9,379,000 for the quarter ended April 30, which reduced net earnings per diluted share by $0.05, associated with severance related to staffing reductions and subleasing of certain office space for which only a portion of the Company's future rent obligations will be recovered (see "Note K - Commitments and Contingencies").